Cycling > Derailleurs - Most Popular Products

The SRAM 2003-06 ESP 3.0 rear derailleur is a smooth shifting long cage derailleur. Shifter/Rear Derailleur: SRAM 1:1 Largest Cog: 34 teeth Chain Wrap Capacity: 45 teeth Derailleur Action: Top-Normal (Traditional) Cage Length: Long Weight: 272 g Intended Use: Mountain Drivetrain Spacing: /SRAM 8,/SRAM 7,/SRAM 9

Campagnolo Centaur 10-speed rear derailleurs

SRAM Force Rear Derailleur '10 Crisp, clean, correct shifting always: the most precise gear change in cycling is here in the SRAM Force rear derailleur.  Crafted with cutting-edge materials, including a carbon-fiber cage, and updated graphics makes this derailleur the perfect choice. Zephyr Silver finish. Exact Actuation Technology Aluminum B-Knuckle...

Replacement derailleur hanger for the Intense Spider, Tracer (2008+ version), Spider 29'er, 6.6, and 5.5 series of frames.

The X.5 rear derailleur from SRAM features high-quality materials and precise engineering for long-lasting strength and smooth performance. ESP-compatible (1:1® actuation ratio) for ESP trigger or twist shifters Direct Route Technology™ (Di.R.T.) provides effortless shifting Alloy outer link and steel cage with serviceable precision pulleys; outside facing limit screws allow...

The versatile SRAM X.7 rear derailleur crams maximum features into a tiny package. This rear derailleur handles 8 and 9 speed drivetrains with ease and offers superb, reliable shifting thanks to its 1:1 actuation ratio. Smart design uses an aluminum alloy cage and front-facing limit screws for easy adjustment. This...

Shimano 105 rear derailleur provides reliable shifting at a great value. Wide outer link design increases rigidity, resulting in crisp, precise shifts Nine- and 10-speed compatible

Shimano replacement pulley set for 9-Speed XTR M970 series rear derailleurs.

Sacrifice nothing—not durability, dependability or performance. SRAM Rival rear derailleur offers nimble shifting with unyielding precision. Exact Actuation™ delivers even gear changes over the entire shifting range via a precise 3mm adjustment from gear to gear Maximized for 10-speed systems, the Rival design descends from legendary SRAM MTB rear derailleurs...

Shimano's Dura Ace 7900 Series rear derailleur is even more precise than previous versions of the highly touted Dura Ace line. Using a carbon fiber pulley plate, they have shaved the weight down to 116 grams. When matched with 7900's shifters, it also has an enhanced pulling cable method with...

The new X.7 derailleur is now available in a new low clamp (i.e. "top swing") style, as well as the traditional high clamp type. It handles triple cranks with ease with up to a 44T ring. Each fits all 3 seat tube diameters thanks to a versatile clamp, and handles...

Replacement pulley wheel for Shimano rear derailleurs. Order the pulley that matches the model number of your derailleur for proper fit.

Campagnolo Centaur Rear Derailleur The Campagnolo Centaur 10-Speed Rear Derailleurs are suitable for both extreme and amateur use, thanks to the reduced weight savings and to operation precision.

Weight: Medium cage: 200 grams Long cage: 210 grams Compatibility: ESP 1:1, 8 or 9 speed, 34 tooth maximum rear cog capability Feature: 11-tooth pulleys reduce wear, Forged Aluminum/composite construction

Top-Normal RD-M771 rear derailleur is compatible with any Shimano shifting system giving you endless options. Traditional rear derailleur design featuring signature Shimano precision shifting Can easily be combined with RapidFire or Dual Control shift levers with the two available spring options Signature light action gear changes Weight(claimed): 239g(SGS) 211g(GS) Old...

The Force Front derailleur from SRAM achieves the critical balance between positive downshifts and light-action upshifts. Features SRAM actuation ratio, a professionally engineered cage design and intuitive adjusters, all maximized for 10-speed drivetrains One size fits all: standard design shifts perfectly with both traditional-size and compact-size chainring sets

This is the traditional, "top normal" Hone rear derailleur (not Rapid Rise type). Mounts directly to the Hone hub (or other compatible hubs), bypassing the derailleur hanger entirely. A much stronger method for aggressive use bikes. Cable anchor bolt on top of derailleur Shifter/Rear Derailleur: Shimano Largest Cog: 34 teeth...

SRAM XX Rear Derailleur Leveraging the legendary history of SRAM shifting, the XX Rear Derailleur delivers incredible speed and precision. Sealed ceramic pulleys give you the highest levels of durability. The carbon fiber cage has a dedicated length specific to 2x10. Exact Actuation technology eliminates slop and shifting variation. It’s...

A carbon-fiber outer plate increases the Campagnolo Super Record 11 Rear Derailleur’s stiffness 150% (over sad and limp, non-carbon-fiber-plate models). This basically means you get the same sharp, efficient shift under stress as you do during casual, non-race days. Light, anti-vibrating rubber pulleys and self-lubricating ceramic ball-bearings lessen drag, the...

Just when you thought it couldn't be better, SRAM steps it up with the '06 release of their proven X.0 rear derailleur. This is SRAM's lightest, smoothest, and most advanced design. Handles 8 or 9 speed drivetrainsR10g (long cage), 197g (mid cage), and 192g (short cage) Works with SRAM ESP...

The SRAM DualDrive 8 speed rear derailleur is a durable entry level derailleur. Shifter/Rear Derailleur: SRAM ESP Largest Cog: 34 teeth Chain Wrap Capacity: 37 teeth Derailleur Action: Top-Normal (Traditional) Cage Length: Medium Weight: 279 g Drivetrain Spacing: Shimano/SRAM 8

Campagnolo 10 speed rear derailleur long cage provides smooth and accurate shifts. Shifter/Rear Derailleur: Campagnolo Largest Cog : 29 teeth Chain Wrap Capacity: 39 teeth Derailleur Action: Top-Normal (Traditional) Cage Length: Long Weight(claimed): 275 g Intended Use: Road Drivetrain Spacing: Campagnolo 10

Replacement Shimano Mega 9 barrel adjuster boot.

The Shimano 105 5600L rear derailleurs feature a wide link design that increases rigidity giving you smooth and accurate shifting on a 9/10 speed drivetrain. Wide outer link design increases rigidity. 9/10-speed compatible Cassette Compatibility: 10-speed GS Maximum Sprocket: 27T Minimum Sprocket: 11T GS Maximum Front Difference: 22T GS Total...

SRAM's Red Rear Derailleur does the nearly impossible: it improves on the practically flawless SRAM Force derailleur design, lightening it by 20g and adding ceramic bearings for icy smooth shifts. Ceramic bearings love to hang out with other high-end materials, so SRAM invited carbon fiber to the cage and inner...