DERAILLEURS - REAR COMPONENTS
SRAM Red Aero Glide Rear Derailleur
When SRAM first introduced its groundbreaking 10-speed Red component group, the heart of the industry-shaking design was 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 ...read more
SRAM FORCE Rear Derailleur WiFli- Medium
Other than the Double Tap shift lever, perhaps no component in the SRAM road component family represents a greater departure from familiar mechanical territory than the Force Rear Derailleur. It's a bit of a technical story, but it's one whose benefits are evident the first time you run through ...read more
SRAM Force Rear Derailleur
Other than the Double Tap shift lever, perhaps no component in the SRAM road component family represents a greater departure from familiar mechanical territory than the Force Rear Derailleur. It's a bit of a technical story, but it's one whose benefits are evident the first time you run through ...read more
Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur
While 11-speeds are amazing, to be perfectly honest, we'd be just as excited to have the Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur in an 8-speed iteration. The reason is simple -- the RD-9000 is the physical form of everything that we love about Dura-Ace. Persistent innovation, ...read more
Shimano Ultegra Di2 RD-6770 Rear Derailleur
Even as the lust remains for their first electronic groupset, Shimano hits us with Ultegra Di2. We don't feel like they've muddied the water, only that there's a value priced option for those of us who couldn't make the jump to Dura-Ace Di2. This Ultegra Di2 RD-6770 Rear Derailleur offers the same ...read more
Shimano Ultegra RD-6700-G SS Rear Derailleur
This Shimano Ultegra RD-6700-G SS Rear Derailleur is designated as 'G' to denote its smoky grey finish. This is the same color as the electronic Di2 version, and we like how it evokes the stealthy look of its Dura-Ace counterpart. Otherwise it's the same as the standard 6700 unit. The pivots on ...read more
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 ...read more
Campagnolo Record 11 EPS Rear Derailleur
Computers and binary code aside, the pride and joy of Campagnolo's new Electronic Power Shift, or EPS, is the Record 11 EPS Rear Derailleur. It represents the vanguard of shifting technology, and is the result of twenty years of research and development by Campagnolo. Elegant, advanced, and ...read more
Campagnolo Super Record 11 Rear Derailleur
Campagnolo considers the Super Record 11 Rear Derailleur the crown jewel of their revamped Super Record offerings. It's not only more of a high-zoot, gee-whiz, techno beauty than the previous version, but they've taken the total weight down to a claimed 155g (19g lighter), by making several ...read more
Campagnolo Record 11 Rear Derailleur
When Campagnolo deposes their king, they move him gently into retirement. Generally, he fades away as offerings are improved and refined. However, when you look at the new Campagnolo Record 11 Rear Derailleur, you're looking at the 2010 Super Record part in everything but name. It's also ...read more
Campagnolo Chorus 11 Rear Derailleur
Chorus deserves serious props. Just about every year this Campagnolo line moves closer to Record. This year, Campagnolo has taken both aesthetic and mechanical steps to move their Chorus 11 Rear Derailleur in that direction.The graphics are bigger and bolder. But what more people will notice is the ...read more
SRAM Red WiFLi Rear Derailleur - Medium
Gone are the days of mixing groupset tiers in order to accommodate your L'Angliru-esque climbing cassettes. With SRAM's introduction of the Red WiFLi Rear Derailleur, you now have the option of running cassette gearing as high as a 32-tooth cog. The result is a new range of gears that're wider ...read more
SRAM XX1 X-Horizon Rear Derailleur
When you view anything within the technological realm, it quickly becomes clear that a system is only as good as components that comprise it. And with the new SRAM XX1 group, this ideology becomes transparent, with each piece engineered to perform flawlessly both individually or as a ...read more
SRAM X0 DH Rear Derailleur
Downhill bikes require a certain amount of specific componentry due to their specialized nature. This SRAM X0 DH 10-Speed Rear Derailleur is just one great example. We sell a short cage X0 rear derailleur, so why this special DH version? This one is designed with a narrower range cassette in mind. ...read more
SRAM X0 Type 2 Rear Derailleur
The SRAM X0 Type 2 Rear Derailleur is the highest-end offering from SRAM to get the Type 2 treatment. It's worth looking at if you have trouble with dropped chains, but a roller-style chainguide doesn't fit with your light-and-efficient setup. SRAM incorporated a clutch mechanism into its ...read more
SRAM XX Rear Derailleur
To the casual observer, the SRAM XX Rear Derailleur might look just like a SRAM X.0 rear derailleur. Far from it. While it does share a great number of details, the XX Derailleur is quite different.For one, the full carbon fiber cage is built specifically for its role in the XX group to accommodate ...read more
SRAM X0 Rear Derailleur
SRAM started from scratch with a purpose built X0 10-Speed Rear Derailleur after their success with the XX 10-speed drivetrain. And now, with XX seated at the top of the range, X0 has become more of the people's champion, and if you buy your own parts, it will give you performance nearly ...read more
SRAM X9 Rear Derailleur
The SRAM X9 10-Speed Rear Derailleur differs from the 9-speed version in a number of ways. First, the cage width and jockey wheels are sized in accordance with the narrower 10-speed chain. And secondly, it uses Exact Actuation Technology, borrowed from SRAM's road bike shifters, to deliver the ...read more
SRAM X9 Type 2 Rear Derailleur
You're rolling over boulders like a tank. You line up to take on a sketchy steep climb, give it a burst of power, and then realize your chain isn't connected to the drivetrain anymore. You lurch to an abrupt stop, boil over into a rage, and consider the merits of hucking your bike, riderless, down ...read more
SRAM Rival Rear Derailleur
The knee-knocking shift quality of DoubleTap levers carries straight through from Red into Rival. The stout 2-spring construction with Exact Actuation technology of the Red and Force rear derailleurs is replicated in every detail in Rival. You'll feel the same quick, crisp, positive shifting ...read more
SRAM Apex Rear Derailleur
Along with the wide-ratio cassette options, the Apex Rear Derailleur is a big part of SRAM's WiFli 2 x 10 speed road shifting system. It stands for Wider, Faster, Lighter. The premise is... why ride with the extra complexity and weight of a triple crank, when you'll have redundant gear ratios ...read more
SRAM Red 22 Rear Derailleur
SRAM brings 22 gears to the table with its new Red 22. But that isn't all, as 'True 22' 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 22 Rear Derailleur stands in as an integral component of ...read more
Shimano Dura-Ace RD-9070 Rear Derailleur
It's hard to believe that electronic shifting has been in our vocabulary, let alone on our bikes, for less than half a decade. And while electronic perfection has now become the en-vogue aspiration point for engineers, it's easy to forget that Shimano got the bandwagon kick-started. We still ...read more
Shimano XTR Shadow Plus RD-M986 Rear Derailleur
The smooth action of Shimano's XTR Rear Derailleur has allways been a contirbuting factor to XTR's legendary status. But the Shadow Plus RD-M986 packs a new feature that's rewriting drivetrain performance -- a motion damping switch that controls pulley cage fore and aft movement.This means you ...read more
Shimano XTR RD-980 Rear Derailleur
While Shimano's XTR group has always been recognized as worthy of its top-shelf status, the smooth action of XTR rear derailleurs is a big part of the legend. This XTR Shadow Rear Derailleur RD-M980 is a second generation Shadow XTR unit. As such, it benefits from the shadow design in the same ...read more
Shimano XT Shadow Plus RD-M786 Rear Derailleur
When Shimano introduced its Shadow line of derailleurs, it was a big departure from the norm, but it offered better clearance and enhanced shifts due to a re-positioned B-knuckle. This, however, required an additional link. While sufficient, there's a growing trend of simplifying mountain bikes ...read more
Shimano E-Tube Di2 Battery Mount
You'll see that the E-Tube Di2 SM-BMR1 Battery Mount is available in three options -- Long External, Long Internal, and Short. Both the long versions mount from one of the water bottle mounts on the down or seat tube of your frame. However, they're designed to be paired specifically with either type ...read more
Shimano XT Dyna-Sys RD-M781 Rear Derailleur
The Shimano XT Dyna-Sys RD-M781 Rear Derailleur sees a continuance of its predecessor's long history of precision, durability, and a low overall weight. It's a crucial part of the Dyna-Sys 10-speed drivetrain system, and of course, Dyna-Sys provides the exact shifting and range of gears that your ...read more
Shimano Di2 Battery Charger
If you're going to have Shimano electronic Di2, you must have the compatible Shimano SM-BCRI Battery Charger to keep it up and running. As the battery is shared between Ultegra and Dura-Ace, this is the same charger for both systems.The nice thing about the charger is that it's small, like a camera ...read more
Shimano Di2 Battery
This is the one common item between all of Shimano's Di2 groups -- the Di2 SM-BTR1-67 Battery. Call it Ultegra, call it Dura-Ace, but we'll call it the one you'll need. It's a rechargeable lithium-ion battery that mounts on a bracket designed to work with bottle cage mounts. The mount stays ...read more
Shimano 105 RD-5700 Rear Derailleur
As 105 adopts all of Shimano's best features year after year, the latest 105 components eclipse Dura-Ace and Ultegra from just a few years ago that, at the time, cost twice what today's 105 does. Case in point–the Shimano 105 RD-5700 Rear Derailleur.The pivots on the body of the 57 ...read more
Shimano E-Tube Di2 Junction Box
The E-Tube Di2 Junction Box is what is referred to as the B Junction. This is the point in the wiring system where all the component pieces converge. It's a crucial item along with the five required wire sections to operate your Ultegra 6770 or Dura-Ace 9070 Di2 drivetrain.The E-Tube Di2 ...read more
Shimano Dura-Ace Di2 Seat Tube Bottle Cage Relocator
If your water bottle braze-ons are too close to the bottom bracket and cause interference with your Di2 Battery, then you need the Shimano Di2 Bottle Cage Adaptor to move the battery upward. This adaptor is constructed from high-strength resin and aluminum to keep weight low, and it comes with all ...read more
Shimano Di2 Charger Cable
This is the charger cable for Shimano's Di2 SM-BCR1 Battery Charger. And if you're running Dura-Ace or Ultegra electronic shifters and derailleurs, then this is an important piece of the puzzle. The charger does NOT come with a cable. If you're paying attention, you'll see that the cable and ...read more
Shimano Dura-Ace RD-7900 Rear Derailleur
Shimano's dominant position in the bike industry is based foremost on one simple fact: They can forge metals with a creativity and sophistication far beyond anything their competitors can dream. Shimano factories are crammed with VW Bug-sized forging machines that spend all day long pounding alloys ...read more
Campagnolo EPS Power Unit
After twenty years of research, Campagnolo developed an unrivaled electronic shifting system; it built the Campagnolo EPS Power Unit to house the brains and power source of the system in a case that protects these vital elements from everything under the sun.Digital Tech Intelligence (DTI) is ...read more
Campagnolo EPS Interface
Like the Chimaera, Campagnolo EPS has two heads that excel individually, but can't live without the other. The EPS Power Unit and the EPS Interface are both essential to the digital operation of EPS; the EPS Interface is the direct user link to the brains of the system. It translates the thoughts ...read more
Campagnolo EPS NonStandard Power Unit Holder
If you’ve chosen to equip your bike with Campagnolo’s EPS drivetrain, the Non-Standard Battery Unit Holder allows you to mount the battery pack under the saddle or on the chainstay. Depending on where you decide to mount it, you’ll need either the EPS BB cable kit or EPS Seat Cable Ki ...read more
Campagnolo EPS Under Seat Cable Kit
If you're running a Campagnolo EPS Non-Standard Power Unit Holder, this will be of particular interest to you. Did you know that you can mount your Power Unit under the saddle? Well, with the EPS Under Seat Cable Kit, it's a breeze. The provided position is ideal for streamlined, aerodynamic use for ...read more
Campagnolo EPS Charger
Campagnolo Electronic Power Shift boasts the best battery life in the electronic shifting market, but after a thousand miles or more, you're going to need to charge the system. Campagnolo has made this process painless with the EPS Charger. Plug in to the Power Unit via the EPS Charger Cable (sold ...read more
Campagnolo EPS Under Bottom Bracket Cable Kit
If you plan on using a non-standard DTI mount, such as the under bottom bracket mounting location, you'll need the Campagnolo EPS Under Bottom Bracket Cable Kit. It's also recommended for frames with a distance of more than 67 cm from the DTI to the battery.
Campagnolo EPS Power Unit Holder
The name EPS Power Unit Holder says it all. This bracket mounts and holds the EPS Power Unit to your bike's frame. Campagnolo designed the standard bracket to attach to the down tube's water bottle boss, while allowing full usage of an installed water bottle cage. This is the standard-length EPS ...read more
Campagnolo EPS Charger Cable
Campagnolo Electronic Power Shift operates on a lithium ion battery in its Power Unit that can go longer between charges than any other battery in the business. But all good things must come to an end, and you can count on your battery running out of juice someday. For the charge that will get you ...read more
Campagnolo 80th Anniversary Group
If there's one thing that we know about Campagnolo, it's that it loves to celebrate milestones. And why shouldn't it? After all, we can't think of another company whose story runs parallel to and, at times dictates, the story of cycling. If you couldn't tell, the names Tulio and Valentino warm ...read more
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