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Rear Derailleurs

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Campagnolo Chorus 11 EPS Rear Derailleur Campagnolo Chorus 11 EPS Rear Derailleur
Campagnolo's electronic EPS drivetrains have been highly coveted since their introduction to the market only a few years ago, and thankfully, the trickling down of technology has finally made it more affordable. The Chorus 11 groupset is the latest to be electrified. The Campagnolo Chorus 11 EPS Rear Derailleur you see here is slightly heavier than its Record 11 or Super Record 11 brothers due to the use of alloy structural elements in place of carbon fiber and titanium, but the motors employed are identical, and so thus is shifting performance.
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$613.00
Sale Price: $429.10
Campagnolo Chorus 11 Rear Derailleur Campagnolo Chorus 11 Rear Derailleur
When it comes to effectively conducting the chorus of your cassette, few options can rival Campagnolo's Chorus 11 Rear Derailleur. The Chorus model does make some concessions to its more expensive Record and Super Record counterparts. Namely, it makes 13 and 17 concessions, respectively, which are the number of grams of extra weight it carries in comparison. As far as function goes, the Chorus has the same internals and receives the same updated operation, but at a price point that appeals to the self-sponsored cyclist. The brains of the derailleur are the cross section springs, which have rectangular cross sections for an increased return load. In conjunction with the new Chorus shifters' cable pull ratio, this translates to faster, more precise shifting -- in both directions. The parallelogram's motion as you shift across the cassette has also been revamped for 2015. It corresponds to the size of each cog, so the top pulley stays the same distance away from the cassette whether you're using the crit-spec'd 11-23 or the all-terrain 11-29 cassette. This keeps the chain seated securely on the cassette at an angle of engagement that transfers maximum power into propelling the bike forward. It also reduces wear on your chain and cassette. The parallelogram and cage are made with carbon, while the upper and lower bodies are made from a technopolymer that's lighter than metal but can still stand up to any abuse from the elements or the occasional user error (read: crash). The Chorus model's pulleys don't get the same lightweight polymer of the Record and Super Record derailleurs, and its parallelogram doesn't have the weight-reducing cutouts. It also uses steel bearings and small parts instead of the ceramic bearings and titanium of its more expensive counterparts. The Campagnolo Chorus 11 Rear Derailleur is only compatible with 2015 Campagnolo Super Record, Record, and Chorus drivetrain components. Compatibility can be confirmed by matching the letter on the body'...
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$279.00
Sale Price: $220.95
Campagnolo Record 11 Rear Derailleur Campagnolo Record 11 Rear Derailleur
Seeing that Campagnolo introduced their Ergopower H11 Disc Brakes after years of extensive research and design, it makes perfect sense that the storied Italian company would tailor their rear derailleurs for the unique demands of using disc brakes. Made for just this purpose, the Campagnolo Record 11 Rear Derailleur accommodates the longer throws required while you're running disc-equipped wheels with wider hub spacing. Good news for the Campy faithful, this disc-friendly version of the Record 11 Rear Derailleur retains the swift-shifting prowess and lightweight, yet durable construction of the previous Record 11 Rear Derailleur. You'll find it's lighter than the Chorus model, achieved through a Technopolymer body that shaves precious grams without sacrificing strength. The Record 11's carbon fiber parallelogram and cage plate maintain shifting rigidity and lessen overall weight, with Campy's Ultra-Shift geometry offering a reduction in friction for buttery shifts across the gears. Best of all, you'll find it comes in at a more reasonable price than the Super Record while maintaining a similar level of shifting feel, as it forgoes a few titanium bits to keep overall cost down, albeit at the expense of a few grams.
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$270.00
Sale Price: $254.95
Campagnolo Super Record 11 EPS Rear Derailleur Campagnolo Super Record 11 EPS Rear Derailleur
Nobody said that making an electronic shifting system would be easy, but Campagnolo doesn't think of engineering in terms of easy, they think in terms of necessity. For twenty years, Campagnolo engineers have been obsessed with creating the most precise rear derailleur in the world, and the Super Record 11 EPS Rear Derailleur is the ultimate achievement thus far. In Super Record 11 EPS ,Electronic Power Shift, Campagnolo uses electronic shifting as an opportunity to enhance the performance of the esteemed Super Record series, not to simply go along with the electronic zeitgeist. What they have created is the pinnacle of Italian performance, and the object of desire for every bike aficionado on the planet. Campagnolo EPS is here, and there's no going back. Simply put, the Super Record 11 EPS Rear Derailleur is smart. It operates off of an electronic actuator comprised of a gear motor and a built-in resolver sensor. The actuator controls a worm screw, in the place of a mechanical spring screw, to move the derailleur. In turn, the actuator's resolver sensor is in constant communication with Digital Tech Intelligence, the brains of the system, charting every movement of the derailleur and positioning it optimally relative to the cassette. The relationship between the electronic actuator and DTI brings an exciting new feature to EPS:Multi-Shift Technology. The new Multi-Shift enables a shift through all eleven cogs, up or down the cassette, in one compression of the shift lever, and in one and a half seconds. You read that right. To help alleviate the necessity for auto-correction, Campy studied the detrimental effects of vibration on electronic components, and applied tin to the electronic actuator to reduce play. Going even further, the Campagnolo engineers bolstered the strength and rigidity of the derailleur by creating a parallelogram carbon fiber derailleur cage with an alloy inner plate. The upper and lower bodies of the derailleur are coated in a techno ...
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$925.00
Sale Price: $699.95
Campagnolo Super Record 11 Rear Derailleur Campagnolo Super Record 11 Rear Derailleur
You're probably well aware that Campagnolo designs their Super Record group to the specifications of the most discerning riders in the world. Harnessing this attention to detail for the disc-equipped crowd of professional cyclists, the Super Record 11 Rear Derailleur accommodates the slightly longer throws of your rear derailleur paired with a disc-specific wheelset. This disc-friendly redesign comes by no accident, accompanying the launch of Campagnolo's Ergopower H11 Disc Brakes. Besides its disc-friendly redesign, this Super Record 11 Rear Derailleur retains the same design as the previous Super Record, meaning you'll reap the benefits of a carbon fiber parallelogram and cage, alongside titanium hardware for maximum weight savings without sacrificing one bit of strength. The polymer body is highly resistant to damage in the event of a crash while remaining impressively lightweight. Ceramic ball bearings drastically reduce friction for the smoothest possible shifts throughout the entire gear range. As if that's not enough, Campy's Ultra-Shift geometry ensures buttery-smooth shifts by lessening friction when you're shifting into gears under heavy loads.
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$410.00
Sale Price: $384.95
Pinarello Derailleur Hanger Pinarello Derailleur Hanger
This Pinarello Derailleur Hanger is the part that you'll need for your Dogma 65. 1 Think2, Dogma2, Dogma, Prince Carbon, and 2011and 2012 Paris Carbon. It has a well-thought-out design that we really like. The part that we like is that the hardware threads into the hanger itself instead of into the dropout. The benefit comes on the fateful day that you lay the bike down and mangle the hanger. Your high-end bike frame will more than likely be unharmed as the hanger will take all the abuse, and it's a simple (and inexpensive) fix. The Pinarello Derailleur Hanger is black and made of aluminum. It comes with the necessary hardware for installation.
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$32.00
Shimano Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur Shimano Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur
Shimano's new Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur boasts a sleek profile that practically hides from the wind and finally brings the Synchronized Shift functionality honed in the trail-focused XTR Di2 system onto the road. Enabling Synchronized Shift lets the Di2 system work its magic to automatically shuttle your chain from cog to cog without any input from you and intelligently manage the fleet of cogs at the aft-end of your drivetrain. That said, it isn't a requirement to use, so the traditionalists among us will breathe a sigh of relief that this derailleur also allows the same precise, manually controlled and customizable shifting we've come to expect from Di2. By putting the rear and front derailleurs in communication with each other, Synchronized Shift can actually calculate your efficiency and perform simultaneous front and rear shifts to eliminate cross-chaining and set you up in the best chain line for any given gearing. These shifting patterns depend on the direction you're shifting and the combination you're shifting into, and they're also programmable via Shimano's E-Tube system, so you can set your preferences in advance to ensure that your internally communicating drivetrain isn't conspiring against you. The shifting itself is peerless, as the derailleur always knows where it is, so its travel isn't restricted or lengthened by imperfect cables. It situates the chain squarely on every cog and it jumps between those positions with startling speed. As with other Shimano Di2 bits, the Dura-Ace rear derailleur is compatible with Shimano's rust-, stretch-, freeze-, and generally worry-free E-Tube wiring system. Its modularity makes it easy to set up on virtually any frame, though it does cohabitate with less friction when the frame is built with Di2 in mind.
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$601.99
Sale Price: $547.81
Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur
Shimano's derailleurs have always been superlative, and the new Dura-Ace RD-9000 is no exception. It makes intelligent use of carbon fiber, but still relies primarily on its alloy construction to get the job done smoothly, quietly, and efficiently. Oh, and it'll pretty much last forever, too. One of the most significant revisions in the 9000 series was a reduction in the force required to initiate a shift at the lever. Shimano had to move cable attachment points around a bit to achieve this, but it's immediately noticeable when you shift. Shimano's returned to a carbon fiber cage, which helps reduce vibration in the derailleur, and ensures a perfectly smooth shift both up and down the cassette. The RD9000 is capable of handling a 28-tooth cassette, and it'll feel the same as shifting on a corncob 11-23.
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$202.99
Sale Price: $134.95
Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur
At a time when electronic drivetrains are gaining unstoppable traction, we appreciate that Shimano chose not to neglect its storied pro-level mechanical drivetrain for Di2, making careful, meticulous updates that have resulted in subtle, but significant, improvements to functionality. For those of us who still unabashedly believe in the soul of mechanical shifting, the Dura-Ace RD-R9100 11-Speed Rear Derailleur feeds our love for self-actuated shifting with a more protected position and cleaner mounting interface. When redesigning Dura-Ace, Shimano carried over the modifications to the rear derailleur shaping from Di2 to 9100. That involved altering the low-profile Shadow design slightly to better protect it in the event of a crash. This slimmer, more streamlined shape integrates expertly with the sleek aesthetics of the Dura-Ace 9100 drivetrain as a whole, delivering smoother lines and a less utilitarian appearance. Shimano also worked to improve shifting efficiency on the rear derailleur, constructing the pulley to remain a consistent distance away from the cassette for more dependable shifts. The shorter, effortless shift throws on the levers result in crisp chain jumps up and down the cassette all day long with no sign of getting bogged down. Shimano also looked to its mountain drivetrains when reworking the rear derailleur's mount, adopting its Direct Mount interface to add stability and offer more efficient cage alignment.
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$207.99
Sale Price: $185.11
Shimano Saint RD-M820 Rear Derailleur Shimano Saint RD-M820 Rear Derailleur
Designed for the extremes of downhill racing and freeride disciplines, the Saint RD-M820 Rear Derailleur remains crisp-shifting and noticeably free of drivetrain noise when you're plunging into formidable downhills at high rates of speed and sending bigger features at the freeride park. Since downhill riders tend to push things to the absolute limit, the engineers at Shimano designed it with a low-profile skid plate that minimizes damage in the event of a nasty crash. Another cool feature, its silent bump stopper employs a vibration-absorbing piece of urethane that keeps your drivetrain running silently on aggressive downhills. One of its best features is the ability to switch between widely spaced mountain bike cassettes and short-block road cassettes with its mode converter. This allows you to run a 10-speed cassette that's tightly spaced for less jump between gears on downhill runs or give your freeride bike a bit more gear range when you actually need to pedal back uphill. It'll work with 10-speed road cassettes of 11 to 23, 11 to 25, and 11 to 28-teeth, as well as 10-speed mountain bike cassettes of 11 to 32, 11 to 34, and 11 to 36-teeth. Alloy construction maintains high levels of strength without the massive weight penalty you've come to expect from downhill-specific components. Fluorine-coated link pin bushings create silky-smooth shifts across all ten gears. Moreover, it's packing Shimano's Shadow Plus technology, which prevents the chain from violently slapping around when you're plunging downhill at high rates of speed. Shadow Plus engages with a switch that keeps it in a semi-rigid position while you're riding, switching off when you need to move the derailleur out of the way for repairs and wheel swaps.
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$159.99
Shimano SLX RD-M7000 Rear Derailleur Shimano SLX RD-M7000 Rear Derailleur
After spending its entire life in the shadows of the luminous XTR and XT drivetrains, SLX received an extensive overhaul for 2016 that raises the bar on the definition of a workhorse drivetrain. Still accessible to the self-sponsored cyclist, SLX now offers 11-speed capability and sleek new graphics, bringing it to a standard far above what the mid-range groupset previously knew. As one of the key players, the SLX RD-M7000 Rear Derailleur comes with a 41-teeth capacity and the option to be setup one-by or with a double crankset, with a more streamlined design just begging to be set up on your new terrain-gobbling trail bike. Trickle-down technology didn't just stop at 11-speed. For the first time, SLX was also granted coveted Shadow RD+ distinction, which results in greater chain stability due to the addition of the Shadow stabilizing switch. The switch limits movement of the derailleur cage, thereby greatly lessening the likelihood of mid-ride chain drops. Over time, you'll be able to adjust the clutch tension to keep the cage in-place as normal wear-and-tear runs its course so you don't suffer a decrease in functionality. Shimano also improved shift quality on the RD-M7000, tweaking the derailleur's design to result in shifts that are on average 20% easier to initiate than before. We know -- trying to gauge a 20% drop in effort when you're steering your trail bike up a succession of spiraling switchbacks is almost impossible. We'd prefer to ride assured that each desperate gear drop on a climb and quick upshift heading into a descent will happen easier and more precisely than ever.
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$64.99
Sale Price: $55.24
Shimano Ultegra 6800 Rear Derailleur Shimano Ultegra 6800 Rear Derailleur
Shimano's Ultegra 6800 Rear Derailleur got some serious upgrades from the 6700 series. It's more compact, lightweight, and features consistent shifting across the cassette's whole 11-speed range--a welcome improvement. A redesigned spring mechanism gives the RD-6800 an equal, positive sensation regardless of the direction of your shift, or the size of the sprocket that you're shifting to. There's no more feeling like shifting down is such a slog. The Ultegra 6800 Rear Derailleur reduces shifting effort in the lever, connected by Shimano's proprietary, polymer-coated shift cable. The cable knocks out unnecessary mechanical drag and ups the shift accuracy improved by the redesigned spring. You'll find your shifting experience with the Ultegra 6800 groupset on par with Dura-Ace and Di2 systems.
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$75.99
Sale Price: $49.95
Shimano Ultegra Di2 RD-6870 Rear Derailleur Shimano Ultegra Di2 RD-6870 Rear Derailleur
Shimano's Ultegra Di2 RD-6870 Rear Derailleur features much of the same level of performance as the Dura-Ace group without the podium-topping price tag. Taking its cue from the Dura-Ace 9070, the profile of the 6870 has been trimmed, making it leaner than the previous Ultegra Di2 rear mech. The 6870 Di2 rear now also has 11-speed shifting capability with sleeker, more professional-looking wiring and a mid-cage version that can accommodate a 32t cog in the rear. Shimano's electronic shifting features E-Tube technology, which allows you to customize shifting speed and even program how many gears the rear derailleur shifts through when holding the shift button down. Finally, the 6870 rear derailleur has built-in crash protection. In the event of an accident, the rear mechanism will actually compress and tuck away.
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$228.99
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Shimano Ultegra RD-R8000 Rear Derailleur Shimano Ultegra RD-R8000 Rear Derailleur
Shimano has used Shadow technology for years on its mountain bike rear derailleurs. It allows for a lower profile and places the derailleur further inboard, keeping them out of harm's way and allowing a better chain path off the top jockey wheel in relation to the cassette. Shimano's R9100 group is the first time we saw this technology carried over to the road side, and we're happy to see its inclusion on the Ultegra RD-R8000 rear derailleur. The RD-8000 is the crowning jewel on the new Ultegra group, and if you are building up or updating a bike, you really can't do wrong with this group. The additional range afforded by the longer cage opens up the Ultegra group to adventure bikes and brings the precision, durability, and value to the masses. Additionally, if you just want to add a wider range to your Dura-Ace steed, adding the long cage Ultegra derailleur and cassette is all you need to spin perfect circles up long mountain passes. The shifting is impeccable, the durability is immaculate and the performance gap to Dura-Ace is about a tire width's margin in a bunch sprint. The change to an aluminum cage and some other minor hardware details are all that separate the Ultegra R8000 version from the Dura-Ace 9100 unit. Two cage lengths are available with cassette ranges from 11-30t (short) and 11-34t (long). Given a few design tweaks, the R8000 rear derailleur works best when paired with R8000 or R9100 levers, and it's a perfect addition to a full Ultegra bike or those running Dura Ace who want to run a bigger cassette. Another advantage of the Shadow design is the more linear path of the derailleur when shifting, which allowed the engineers at Shimano to create a shifter with a shorter throw resulting in more precise and quicker shifts--even with the larger cassette ranges we're beginning ride on everything from tarmac to gravel. We are happy to see Shimano continuing with a barrel adjuster at the derailleur. Road shifters don't have adjusters at the levers lik...
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$94.99
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Shimano XT Di2 RD-M8050 Rear Derailleur Shimano XT Di2 RD-M8050 Rear Derailleur
With the advent of the XT Di2 RD-M8050 Rear Derailleur, Shimano's Di2 has finally come to Deore XT, which may be the most popular drivetrain model in the world. The XT version is built for more aggressive terrain, features a much friendlier price point, and actually represents an upgrade on XTR in some ways. One of the biggest changes to XT's version of Di2 is that it now wirelessly connects to Shimano's E-Tube platform via Bluetooth. That means that you can initially set your drivetrain up at home with a computer or tablet and then make targeted adjustments using your smartphone while you're on the actual trail. We don't need to explain why this is so huge, and we fully expect it to break the typical product cycle model by trickling up to XTR. The XT Di2 rear derailleur does benefit from some trickle-down tech, including the Shadow RD+ switch and Synchronized Shifting. Shadow RD+ is the same toggle switch on the mechanical version. It lets you lock the derailleur in place, maintaining chain tension across funky terrain to eliminate chain slap and ghost shifting. Avoiding ghost shifts is especially important here considering the fact that the second feature, Synchronized Shifting, serves as a drivetrain babysitter by synching the front and rear derailleurs to ensure you're always in an optimal gearing--obviously not terribly useful if you're running a one-by rig. By putting the two derailleurs in communication with each other, Synchronized Shift can actually calculate your efficiency and perform simultaneous front and rear shifts to eliminate cross-chaining and set you up in the best chain line for any given gearing. These shifting patterns depends on the direction you're shifting and the combination you're shifting into. They're wirelessly programmable via Shimano's E-Tube system, so you can set your preferences in advance to ensure that your internally-communicating drivetrain isn't conspiring against you. Another category of big winners in the Synchronized...
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$287.99
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Shimano XT RD-M8000 Rear Derailleur Shimano XT RD-M8000 Rear Derailleur
Bringing constant refinement to the 11-speed XT drivetrain, the Shimano XT RD-M8000 Rear Derailleur offers improved chain retention when you're riding across jarring, rock-strewn trails. Benefiting from trickle-down technology from the XTR group, Shadow RD+ technology keeps the chain from bouncing around with its handy stabilizer switch. The Shadow design is optimized for increased stability with its slanted position, allowing for silky-smooth shifting in every gear. The XT's robust aluminum construction takes a serious beating without fuss, equating to worry-free confidence when you're rallying across technical terrain. In conjunction with a low-friction shift cable, Shimano claims shifting requires 20% less effort. Other key features include an easy-to-adjust chain stabilizer for effortless fine-tuning, as well as Direct Mount attachment with compatible frames for a stronger and lighter mount interface. As a bonus for riders with older frames not compatible with Direct Mount, the included link attaches in a conventional manner.
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$90.99
Sale Price: $70.06
Shimano XTR Di2 RD-M9050 Rear Derailleur Shimano XTR Di2 RD-M9050 Rear Derailleur
On top of delivering smooth, effortless shifting in all conditions, Shimano's XTR Di2 RD-M9050 Rear Derailleur will make the aft-end of your drivetrain smarter than it's ever been before. With Shimano's Synchronized Shift technology, the front and rear derailleurs operate in sync and have the ability to calculate your efficiency, thus the M9050 can automatically shuttle your chain from cog to cog to set you up with the best chain line for any given situation. This technology also protects the short cage derailleur, by making sure you never run out of chain when cross-gearing. Moreover, Shimano's E-Tube system allows you to program your preferences beforehand, so your drivetrain is calibrated just the way you like it. Of course, Synchronized Shift can be easily turned on and off as you please. The XTR Di2 RD-M9050 Rear Derailleur is compatible with Shimano's resilient and hassle-free E-Tube wiring system.
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$572.99
Sale Price: $388.99
Shimano XTR RD-M9000 Rear Derailleur Shimano XTR RD-M9000 Rear Derailleur
Shimano's new M9000 XTR Rear Derailleur puts the components giant back on track in its never-ending battle with SRAM for drivetrain supremacy. Though years late to the one-by party (and, some would say, still not quite there), the new XTR derailleur is capable of handling cogs up to 40 teeth, while still allowing for a 10-tooth difference in front chainrings, should you choose to run them. Shimano altered the parallelogram of the derailleur a bit, and also moved the top pulley wheel to allow for greater capacity without resorting to bottoming out the B-screw. While it was at it, Shimano also decreased the profile of the derailleur cage by about 30mm to better keep rogue sticks and muck from getting to it. The clutch is now externally adjustable, too, so no more fiddling with that tiny wrench. While most of us will probably keep leaving it in the "on" position, the ultra-smooth shifts that accompany the "off" setting are tempting when the change is so quick.
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$208.99
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Shimano ZEE RD-M640 Shadow Plus Rear Derailleur Shimano ZEE RD-M640 Shadow Plus Rear Derailleur
Chain slap is something we all have to live with, but Shimano's ZEE RD-M640 Shadow Plus makes it a whole lot less cringe-inducing by including its now-famous clutch technology. By increasing spring tension when it's engaged, the clutch reduces slap and the risk of dropping a chain, making it a killer choice for riders who spend decent chunks of their time pounding through rock gardens and over rugged trails. When the clutch is off, the reduced tension makes it easy to pop the derailleur out of the way for wheel removal. It's made of aluminum and steel, so it's durable enough to be knocked around with no ill effects, and comes in both a DH and Freeride model, so you can dial it in for the type of riding you do most often.
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$61.99
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SRAM Force 22 Rear Derailleur SRAM Force 22 Rear Derailleur
All the best things, from Tufnel's amp to SRAM's Force 22 groupset, are designed to max out at 11. The Force 22 Rear Derailleur is a key part of the new Force 22 drivetrain, and it gives you smooth, laser-guided 11-speed shifting under even the most demanding conditions. SRAM didn't design the Force 22 from scratch. To ensure precise shifting no matter the gear combination, it took the 1:1 Exact Actuation technology from its award-winning 10-speed Red groupset. This means that you'll pull the same length of cable in every shift, regardless of gear, so shifting stays super precise and adjustment free. More speeds means smaller gaps between gears, too, so each shift is lightning fast. Not content to update the shifting mechanism, SRAM also updated the pulleys and the materials used in the Force 22. The AeroGlide pulley system ensures super-smooth, quiet, and efficient pulley action, and a new elastomer coating reduces noise even further for a more pleasant riding experience. There's a new barrel adjuster, too, which lets you dial in micro-adjustments without the need for tools. As far as materials are concerned, the Force 22 is made from a combination of rugged aluminum, carbon fiber, and magnesium for the ultimate combination of stiffness, lightness, and durability.
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$97.00
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SRAM GX Eagle 12-Speed Groupset - GXP SRAM GX Eagle 12-Speed Groupset - GXP
When SRAM initially launched the Eagle 12-speed group, we were absolutely blown away by its massive 500% gear range--the same you'd find with many 2x drivetrains--all without dealing with the added weight or annoying miss-shifts of a pesky front derailleur. The catch was its astoundingly high price, which relegated this fancy drivetrain to the likes of magazine testers and premium builds from the leading bike manufacturers, but left us regular trail riders to sit aside and wait for a budget-friendly option to emerge. Seeing the need for an affordable entry into Eagle's numerous benefits in gear range and 1x shifting efficiency, SRAM created the GX Eagle 12-Speed Groupset for the needs of dedicated riders saving every last dollar for a reliable and efficient 1x12 groupset for their trusty trail bike. The GX Eagle 12-Speed Groupset contains everything you'll need, besides a GXP bottom bracket and XD rear driver from SRAM, to hook up your trail rig with a crisp-shifting drivetrain across the widest range of usable gears possible on a 1x set-up. This specific group is specifically tailored to the wider axle spacing of modern BOOST machines with the included direct-mount crankset featuring a 52-millimeter chainline, as well as accommodating GXP bottom brackets with 22/24-millimeter spindle diameters. This GX Eagle 12-speed Direct-Mount Crankset is made from 7000-series aluminum for high levels of strength without blowing the bank on fancier carbon construction. The plate-sized XG-1275 Cassette steals the show with its unbelievable gear range helping you power up steep climbs without ever wishing for a front derailleur or seeking out just one more gear. This cassette uses stamped steel cogs placed together with stainless steel pins, with the 50-tooth cog retaining its aluminum construction for weight savings. This construction technique makes it possible to keep overall costs down while retaining a durable cassette that shifts beautifully across its 10 to 50-tooth rang...
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$495.00
SRAM GX Eagle 12-Speed Rear Derailleur SRAM GX Eagle 12-Speed Rear Derailleur
The SRAM GX Eagle 12-Speed Rear Derailleur harmoniously shifts through all 12 gears of your Eagle drivetrain without noisy chain slap or annoying ghost shifts holding you back on the trail. Borrowing shifting technologies from its pricier XO1 sibling, the GX Eagle 12-Speed Rear Derailleur is a low-cost alternative that retains SRAM's X-Sync 14-tooth lower pulley system, X-Horizon parallelogram design, and Type 3 Roller Bearing Clutch. Best of all, it's fully compatible with Eagle XO1 and XX1 drivetrains, giving you an affordable replacement in case of a catastrophic crash. Instead of its forged aluminum cage and titanium spring found on the XO1, the GX 12-Speed Rear Derailleur employs a traditional aluminum cage with steel spring as a cost-conscious alternative without sacrificing durability, albeit with a minor weight penalty. Expanding on SRAM's signature technologies, the X-Sync 14-tooth lower pulley accommodates the larger 10 to 50-tooth cassette found on Eagle. For silent operation, the Type-3 Roller Bearing Clutch eliminates derailleur bounce and chain slap when you're rallying over punishing trails. Also, it packs SRAM's X-Horizon design, which limits horizontal derailleur movement that contributes to ghost shifting, as well as X-Actuation for precise shifts of your 1x drivetrain.
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$110.00
SRAM NX 1x11 Rear Derailleur SRAM NX 1x11 Rear Derailleur
SRAM's NX group puts it all out there on the table as a no-nonsense, affordable groupset that borrows technology from SRAM's higher end offerings to bring quality mechanicals to those of us on a budget. Given its appropriation of SRAM's pricier one-by tech, the NX 1x11 Rear Derailleur is compatible with all of SRAM's one-by drivetrains for precise shifting. The NX 1x11 Rear Derailleur packs in SRAM's top one-by engineering to ensure rear shifts are smooth, accurate, and predictable. Starting with the offset pulleys, the tall square-toothed X-Sync profiles work to positively engage and manage the chain better than traditional pulleys. These pulleys work in conjunction with the X-HORIZON's straight parallelogram design, which limits all movement to the horizontal axis, thus eliminating ghost shifting and reducing shifting force. SRAM's proven Roller Bearing Clutch is also present, which delivers maximum drivetrain stability by maintaining consistent tension on the chain -- even while riding in the most demanding conditions. SRAM's handy Cage Lock design caps things off and keeps the derailleur locked out of the way when needed for easy rear wheel installation/removal.
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$73.95
Sale Price: $66.95
SRAM Red Rear Derailleur SRAM Red Rear Derailleur
Although 12-speed cassettes have the mountain bike world abuzz, road looks to be firmly in 11-speed land for the foreseeable future and no derailleur gets through that gear range better than SRAM's Red Rear Derailleur. Billed as 'True 22', the pairing of Red's front and rear derailleurs allows you to utilize every one of these gears, in any combination, without adding any weight to the already outstanding Red drivetrain system. The Red Rear Derailleur stands in as an integral component of the Red groupset, calibrated for 11 speeds using the innovative technologies that have made SRAM Red an industry leader when it comes to exact, predictable shifting under the world's most demanding riding conditions. When SRAM first introduced its 10-speed Red component group, the heart of the industry-shaking design was its 1:1 Exact Actuation technology. In ordinary terms, this means that with each shift the derailleur pulls the same exact length of cable, regardless of what gear you're in. 1:1 is simple to set up, it stays in adjustment longer, and it provides laser-accurate shifting. The 11-speed system builds on that 10-speed foundation, boating even tighter shifts than before as we now have smaller gaps between cogs. The Red Rear Derailleur incorporates a clean, air-cheating, low-profile mounting bolt that's made of titanium to keep weight as low as possible. The long upper knuckle clears up to 28-tooth cogs, and it is made of extremely stiff forged aluminum to resist flex, which helps to maintain perfect gear alignment. The inner carbon fiber pulley plate has also been enhanced to resist flex, increasing rigidity for precise gear changes, and its low weight results in a light action. The pulleys themselves were a focus area for SRAM engineers, and they improved weight, durability, and operation. Coined AeroGlide, SRAM optimized the jockey wheel's profile so that the chain will glide more efficiently over the tooth profile as it threads through the cage. This helped sil...
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$286.00
Sale Price: $239.95
SRAM Rival 1 Type 2.1 Rear Derailleur SRAM Rival 1 Type 2.1 Rear Derailleur
Alongside the rebranding of SRAM's Force CX1 groupset to Force 1 this year and an expansion of its one-by drivetrain to road and gravel applications, SRAM introduces a Rival 1 drivetrain for those of us on a budget who have been pining over CX1 since its launch. Featuring much of the same technology as its more expensive sibling, Rival 1 delivers impeccable functionality for cyclocross, road, and gravel adventures. Clocking in a hair heavier than the Force 1 equivalent and with a significantly lower price point, the Rival 1 Type 2. 1 Rear Derailleur brings up the tail of this group, facilitating precise gear changes over all types of terrain. SRAM dropped a boatload of technology into this little derailleur to create a pleasant riding experience. Roller Bearing Clutch is a fancy way of saying this derailleur stabilizes the chain over even the bumpiest terrain. It reduces annoying derailleur bounce and chain slap for a quieter, more solid ride that helps avoid chipping your frame on all-terrain day trips. X-Horizon boosts this stability by limiting movement to the horizontal axis, so its large upper pulley maintains constant chain gap and tension across the cassette. This effectively reduces shift initiation force and eliminates ghost shifting, so you'll drop into the right gear with minimal effort the second you want it. Cyclocross and gravel inevitably come with their share of mechanicals, and few mechanicals interrupt the ride more than a flat tire. To alleviate this, the Rival 1 Type 2. 1 Rear Derailleur makes wheel swaps a breeze with Cage Lock functionality. Just push the derailleur forward and it locks into place for quick and easy rear wheel removal or installation to get out of the pit and back on the course in a snap. Last but by far not least, SRAM adds in its Exact Actuation technology. Exact Actuation addresses the issue of different gear changes requiring different amounts of cable pull, which leads to loud cassettes and inefficient shifting. With...
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$119.00
Sale Price: $99.95
SRAM Rival 22 11-speed Rear Derailleur SRAM Rival 22 11-speed Rear Derailleur
The SRAM Rival 22 11 Speed Rear Derailleur may be a touch heavier than its Force and Red siblings, but it sacrifices nothing when it comes down to performance, dependability, or durability. Its competition-proven design ensures exacting shifting no matter what the conditions. SRAM's Exact Actuation technology is actually a hand-me-down from its mountain bike groupsets. It designates a 1:1 relationship between shifter cable travel and derailleur movement. This simple index shifting helps to simplify balancing derailleur hanger design, tight cog spacing and cable tension to ensure fast, efficient shifting. The derailleur moves through the entire range of shifting via a 3mm movement from gear to gear. The derailleur was constructed from aluminum inner and outer cages as well as b-knuckle. Although these are slightly heavier than the titanium hardware and carbon cages used in the Force and Red Groups, they retain structural integrity and ensure durability. The SRAM Rival 22 11-Speed Rear Derailleur is available in both a Short and Medium cage version. The Short cage has a maximum rear cog capacity of 28tooth while the Medium is able to work with a 32tooth cog. It is available in the color Grey.
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$58.95
Sale Price: $47.99
SRAM X01 2.1 Rear Derailleur SRAM X01 2.1 Rear Derailleur
Almost identical to the previous incarnation of SRAM's original X01 rear derailleur, the SRAM X01 2. 1 Rear Derailleur features small improvements to the original, giving you smooth, precise shifting and ultra-reliable performance with your SRAM 1x11 drivetrain. Its X-Horizon design ensures steady horizontal chain movement, eliminating ghost shifting from your trail rides. Loaded with industry-leading technologies, the rear derailleur's Roller Bearing Clutch, which reduces chain slap and bounce, keeps the bike nice and quiet over the roughest stretches of trail. Its Cage Lock technology offers fast, simple wheel removal and installation, thanks to its convenient locking mechanism. Simply push the derailleur's cage forward, lock it into place with the push of a tab, and freely work on your bike without the derailleur getting in your way. Please note that the X01 2. 1 Rear Derailleur is only compatible with SRAM 11-speed XX1, X01, and X1 drivetrains.
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$277.00
Sale Price: $196.95
SRAM X01 Eagle 12-Speed Rear Derailleur SRAM X01 Eagle 12-Speed Rear Derailleur
In the never ending conundrum of one-by gearing choices, we've spent many a day opting for ten-tooth speed only to end up grinding over merciless grades and wishing that an extra climbing gear could somehow fly out of the sky and save us in our time of knee-breaking need. With a massive gear range across 12 cogs, SRAM's Eagle drivetrain swoops in to save the day and provide nearly the range of a two-by system in a simple one-by setup. The SRAM X01 Eagle 12-Speed Rear Derailleur ties the system together, driving precise gear changes across the entire cassette with a titanium spring and durable, forged aluminum body. Similar to SRAM's 11-speed offerings, this little derailleur borrows a boatload of technology from its flagship XX1 sibling to create a budget-friendly, clean-shifting ride experience. The Roller Bearing Clutch, long revered for its nearly unbeatable chain stabilization, gets an update with a repositioned upper pulley and larger lower pulley to accommodate the extra chain length needed to run such a wide range of cogs. Paired with a strengthened clutch, it efficiently manages chain tension to eliminate derailleur bounce and chain slap for a solid, noise-free ride. The X-Horizon feature further boosts this stability by limiting the derailleur's shifting movement across the horizontal axis, with its large upper pulley design maintaining a constant chain gap across the cassette. This effectively reduces shift initiation force and eliminates pesky ghost shifting, so you'll drop into the right gear with minimal effort the second you want it. Last, but by far not the least, is SRAM's Exact Actuation technology addresses the issue of different gears requiring different amounts of cable pull to shift, which leads to loud cassettes and inefficient shifting. With Exact Actuation, each gear shift requires the same amount of cable pull, resulting in a predictable click and shift no matter where the chain sits in the cassette. This also means an overall quieter,...
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$227.00
SRAM XX1 2.1 Rear Derailleur SRAM XX1 2.1 Rear Derailleur
The XX1 2. 1 is the latest iteration of SRAM's XX1 X-Horizon Derailleur. The design is based on a horizontal parallelogram that moves the body on a horizontal plane rather than up and down. By limiting the movement of the derailleur, ghost shifting becomes a non-issue. Additionally, there is a small offset between the upper and lower pulleys. No, they aren't misaligned; they are designed specifically to provide a constant chain gap throughout every one of the rear gear ratios. This means smooth, consistent shifting whether you are shifting up or down. The body is fabricated from carbon fiber to maximize strength to weight.
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$326.00
Sale Price: $237.95
SRAM XX1 Eagle 12-Speed Rear Derailleur SRAM XX1 Eagle 12-Speed Rear Derailleur
We've all been there, grinding slowly up a never-ending climb as our cadence slows to a high-torque, barely moving crawl, fruitlessly clicking the shift lever in hopes that an ethereal body will drop out of the sky and deliver an extra cog to lighten the pressure. Airborne deities notwithstanding, SRAM swoops in with its Eagle one-by 12-speed drivetrain. Eagle's gear range rivals that of a two-by system without the extra weight and worry of a finicky front derailleur. The SRAM XX1 Eagle 12-Speed Rear Derailleur brings the system together, driving precise gear changes across the entire cassette with a titanium spring and carbon fiber outer cage. Similar to SRAM's one-by 11-speed offerings, this little derailleur holds a heap of technology bent on creating a pleasant riding experience with clean shifts and no unnecessary noise distracting from the outdoor ambiance. The Roller Bearing Clutch, long revered for its nearly unbeatable chain stabilization, gets an update with a repositioned upper pulley and larger lower pulley to accommodate the extra chain length needed to run such a wide range of cogs. Paired with a strengthened clutch, it efficiently manages chain tension to eliminate derailleur bounce and chain slap for a solid, noise-free ride. X-Horizon further boosts this stability by limiting movement across the horizontal axis, with its large upper pulley design maintaining a constant chain gap across the cassette. This effectively reduces shift initiation force and eliminates pesky ghost shifting, so you'll drop into the right gear with minimal effort the second you want it. Last, but by far not the least, is SRAM's Exact Actuation technology. Exact Actuation addresses the issue of different gears requiring different amounts of cable pull to shift, which in turn leads to loud cassettes and inefficient shifting. With Exact Actuation, each gear shift requires the same amount of cable pull, resulting in a predictable click and shift no matter where the chain sit...
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$298.00


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