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Shop the best prices from top brands on new bike front and rear derailleurs for your road or electric ride's DIY overhaul, upgrade, or installation. High-performance, light, strong, and affordable components for 9, 10, 11, and 12 speed Dura Ace, Ultegra, and Red drivetrains from Shimano, SRAM, and more!

Road Bike Derailleurs

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SRAM RED XPLR AXS Upgrade Kit (Black) (1

As gravel riding speeds increase, your drivetrain needs ...

to keep up. This kit includes everything to upgrade your current SRAM XPLR drivetrain from 12-speed to 13-speed. Simply swap out your cassette and rear derailleur (requires a frame with UDH-compatibility). With ...

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Campagnolo Super Record Wireless Rear Derailleur (Black) (12

The Campagnolo Super Record Wireless rear derailleur makes ...

the most of Campagnolo state-of-the-art technology to guarantee maximum shifting performance. Thanks to the total absence of cables, install is easy and simple to maintain. Developed with user-centric design, the Super Record ...

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Microshift Advent X V2 Rear Derailleur (Grey) (10

The Microshift Advent X V2 Rear Derailleur is ...

an improvement on the already popular original Advent X, but now features a cage design that improves performance and durability. Better chain wrap is achieved on cassette cogs through a shorter cage ...

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Campagnolo Chorus Rear Derailleur (Black/Carbon) (12 Speed)

The Chorus rear derailleur benefits from the same ...

technology and design of top-end Campagnolo products, incorporating the sophistication and performances of the 12-speed Super Record and Record. With just a few changes in the materials used for its construction, like ...

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Shimano SLX RD-M7000 Rear Derailleur (Grey) (11 Speed)

Shimano SLX M7000 series derailleurs were totally redesigned ...

and incorporate premium features from XTR and DEORE XT. The SLX RD-M7000 rear derailleur features Shimano Shadow RD+ technology and a refined geometry for increased stability. SLX series Shimano Shadow RD+ derailleurs ...

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