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Rear Derailleur

“A New Rear Derailleur
Makes Your Road Bike Shift Gears
Lightening Fast During Your Rides and Races!”


Rear Derailleur, Shimano Rear Derailleur, Campy Derailleur

Rear Derailleur

Every competitive cyclist knows that a new, good quality rear derailleur can make a cycling bike shift gears super fast when training in group rides or competing in cycling races.

Over time, wear and tear will cause your derailleur not to function smoothly. Also, they can eventually experience some rusting, and in some cases, due to crashes, they can become bent, causing them to no longer give you smooth shifting.

If you are a cyclist who is looking for faster and smoother shifting when changing gears, a new back derailleur can give you the lightening fast responsiveness that you are looking for on your cycling road bike when shifting gears during group rides or cycling races.

To make one of these top-of-the-line rear derailleurs your today, just click on the derailleur image of your choice below to order now from one of our highly recommended partner companies and have it delivered right to your home.

  • Campagnolo Super Record 11 EPS Rear Derailleur

    Campagnolo Super Record 11 EPS Rear Derailleur
    Campagnolo Super Record 11 EPS Rear Derailleur
    Price: $925.00
    Sale: $699.95

    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 ...

  • Campagnolo Chorus 11 EPS Rear Derailleur

    Campagnolo Chorus 11 EPS Rear Derailleur
    Campagnolo Chorus 11 EPS Rear Derailleur
    Price: $613.00
    Sale: $429.10

    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 ...

  • SRAM Red eTap Rear Derailleur

    SRAM Red eTap Rear Derailleur
    SRAM Red eTap Rear Derailleur
    Price: $610.00

    Someday, you may wax poetically as you regale your children with tales of mechanical rear derailleurs malfunctioning at just the wrong time. You'll shake your head as you explain how you'd have to ...

  • Shimano Dura-Ace Di2 RD-9070 Rear Derailleur

    Shimano Dura-Ace Di2 RD-9070 Rear Derailleur
    Shimano Dura-Ace Di2 RD-9070 Rear Derailleur
    Price: $601.99
    Sale: $429.99

    Shimano's latest electronic rear derailleur, the Dura-Ace 9070 seen here, represents the pinnacle of bicycle and electronic engineering. The biggest difference between this and the previous ...

  • Shimano Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur

    Shimano Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur
    Shimano Dura-Ace Di2 RD-R9150 11-Speed Rear Derailleur
    Price: $601.99
    Sale: $534.99

    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 ...

  • Shimano XTR Di2 RD-M9050 Rear Derailleur

    Shimano XTR Di2 RD-M9050 Rear Derailleur
    Shimano XTR Di2 RD-M9050 Rear Derailleur
    Price: $572.99
    Sale: $388.99

    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 ...

  • Campagnolo Super Record 11 Rear Derailleur

    Campagnolo Super Record 11 Rear Derailleur
    Campagnolo Super Record 11 Rear Derailleur
    Price: $537.00
    Sale: $449.99

    Campagnolo's improved design for the Super Record 11 Rear Derailleur provides quicker, more precise shifting than the previous iteration. Campagnolo's redesign complements the change in cable pull ...

  • Campagnolo Record 11 Rear Derailleur

    Campagnolo Record 11 Rear Derailleur
    Campagnolo Record 11 Rear Derailleur
    Price: $353.00
    Sale: $299.99

    For cyclists who want every possible advantage, Campagnolo's Record 11 Rear Derailleur shaves 13 grams off of the already low weight of the Chorus model -- a feat that's achieved without compromising ...

  • SRAM XX1 2.1 Rear Derailleur

    SRAM XX1 2.1 Rear Derailleur
    SRAM XX1 2.1 Rear Derailleur
    Price: $326.00
    Sale: $237.95

    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 ...

  • SRAM XX1 Eagle 12-Speed Rear Derailleur

    SRAM XX1 Eagle 12-Speed Rear Derailleur
    SRAM XX1 Eagle 12-Speed Rear Derailleur
    Price: $289.00

    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 ...

  • Shimano XT Di2 RD-M8050 Rear Derailleur

    Shimano XT Di2 RD-M8050 Rear Derailleur
    Shimano XT Di2 RD-M8050 Rear Derailleur
    Price: $287.99
    Sale: $244.99

    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 ...

  • SRAM Red Rear Derailleur

    SRAM Red Rear Derailleur
    SRAM Red Rear Derailleur
    Price: $286.00
    Sale: $239.95

    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 ...

  • Campagnolo Chorus 11 Rear Derailleur

    Campagnolo Chorus 11 Rear Derailleur
    Campagnolo Chorus 11 Rear Derailleur
    Price: $279.00

    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 ...

  • SRAM X01 2.1 Rear Derailleur

    SRAM X01 2.1 Rear Derailleur
    SRAM X01 2.1 Rear Derailleur
    Price: $277.00
    Sale: $196.95

    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 ...

  • SRAM Force 1 Type 2.1 Rear Derailleur

    SRAM Force 1 Type 2.1 Rear Derailleur
    SRAM Force 1 Type 2.1 Rear Derailleur
    Price: $231.00
    Sale: $183.99

    Now that SRAM's got its one-by tech dialed for 'cross, it's delivered the Force 1 groupset, which boasts enough versatility to transition between road, 'cross, and gravel pursuits without missing a ...

  • Shimano Ultegra Di2 RD-6870 Rear Derailleur

    Shimano Ultegra Di2 RD-6870 Rear Derailleur
    Shimano Ultegra Di2 RD-6870 Rear Derailleur
    Price: $222.99
    Sale: $159.95

    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 ...

  • SRAM X01 Eagle 12-Speed Rear Derailleur

    SRAM X01 Eagle 12-Speed Rear Derailleur
    SRAM X01 Eagle 12-Speed Rear Derailleur
    Price: $220.00

    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 ...

  • Shimano XTR RD-M9000 Rear Derailleur

    Shimano XTR RD-M9000 Rear Derailleur
    Shimano XTR RD-M9000 Rear Derailleur
    Price: $208.99
    Sale: $139.95

    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 ...

  • Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur

    Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur
    Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur
    Price: $207.99
    Sale: $184.99

    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 ...

  • Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur

    Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur
    Shimano Dura-Ace RD-9000 11-Speed Rear Derailleur
    Price: $202.99
    Sale: $134.95

    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 ...

  • SRAM Rival 1 Type 2.1 Rear Derailleur

    SRAM Rival 1 Type 2.1 Rear Derailleur
    SRAM Rival 1 Type 2.1 Rear Derailleur
    Price: $120.00
    Sale: $99.95

    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 ...

  • SRAM GX 1x11 Rear Derailleur

    SRAM GX 1x11 Rear Derailleur
    SRAM GX 1x11 Rear Derailleur
    Price: $114.95
    Sale: $93.99

    The SRAM GX group brings 11-speed drivetrains to the huddled masses with much of the technology from its higher end offerings. The GX1 1x11 Rear Derailleur is compatible with SRAM's huge 10-42 ...

  • SRAM GX DH 7-Speed Rear Derailleur

    SRAM GX DH 7-Speed Rear Derailleur
    SRAM GX DH 7-Speed Rear Derailleur
    Price: $104.00

    You lost focus for just a second over that last set of jumps, and the subsequent bail has left your derailleur in pieces and a little less cash in the bank once you're done getting stitched up. Get ...

  • SRAM Force 22 Rear Derailleur

    SRAM Force 22 Rear Derailleur
    SRAM Force 22 Rear Derailleur
    Price: $97.00
    Sale: $79.99

    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, ...

  • Shimano XT RD-M8000 Rear Derailleur

    Shimano XT RD-M8000 Rear Derailleur
    Shimano XT RD-M8000 Rear Derailleur
    Price: $90.99
    Sale: $69.95

    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 ...

  • Shimano Ultegra 6800 Rear Derailleur

    Shimano Ultegra 6800 Rear Derailleur
    Shimano Ultegra 6800 Rear Derailleur
    Price: $75.99
    Sale: $49.95

    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 ...

  • SRAM NX 1x11 Rear Derailleur

    SRAM NX 1x11 Rear Derailleur
    SRAM NX 1x11 Rear Derailleur
    Price: $73.95

    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 ...

  • Shimano ZEE RD-M640 Shadow Plus Rear Derailleur

    Shimano ZEE RD-M640 Shadow Plus Rear Derailleur
    Shimano ZEE RD-M640 Shadow Plus Rear Derailleur
    Price: $61.99
    Sale: $46.98

    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 ...

  • SRAM Rival 22 11-speed Rear Derailleur

    SRAM Rival 22 11-speed Rear Derailleur
    SRAM Rival 22 11-speed Rear Derailleur
    Price: $58.95
    Sale: $47.99

    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 ...

  • Shimano 105 RD-5800 11-Speed Rear Derailleur

    Shimano 105 RD-5800 11-Speed Rear Derailleur
    Shimano 105 RD-5800 11-Speed Rear Derailleur
    Price: $47.99
    Sale: $34.98

    While Dura-Ace is known as the top-tier in the Shimano component line, Ultegra has been known as the workhorse and in some cases the more durable of the two -- it reaps the benefits of technological ...