Cycling > Derailleurs

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...

The Gravity Chainguide has a polycarbonate bash ring to protect your chainrings as well as keep your drivetrain in tact on gnarly rides. This guide/guard combo dominates roots, rocks, and logs that seek to de-rail your chain while you mach down your favorite freeride trail.

Designed for 10-speed triple drivetrains, this Shimano 105 front derailleur delivers smooth, reliable shifting. The wide pivot link design boosts strength, offering a 20% increase in rigidity from the previous model By suppressing flex, shifting is sharper and more precise Redesigned pivot locations reduce cage deflection Narrow chain cage accommodates...

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...

Shimano replacement pulley set for 9-Speed XTR M960 series rear derailleurs.

Replacement pulley bolt for Shimano Deore XT/LX/STX-RC 8-speed derailleurs.

The New Shimano Shadow Rear Derailleur places priority on a low profile design for riders that are at home on technical trails.  The derailleur has a profile that is a full 15mm narrower than a traditional rear derailleur. That means it does not protrude morethan the quick release skewer nut....

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...

Saint is back for '08, and it is new and improved. Shimano has brought their super low profile Shadow  derailleur design featuring added protection thanks to an integrated skid plate. The Saint Shadow also provides you with options, allowing for the use of close(23-28t) and wide(32-34t) gear ratios and increased...

The Shimano Tiagra RD4500-GS/SS 9-speed Rear Derailleur is a strong smooth shifting long or mid cage derailleur. Shifter/Rear Derailleur: Shimano Largest Cog: 27 teeth Chain Wrap Capacity: 37t(GS), 29t(SS) Derailleur Action: Top-Normal (Traditional) Cage Length: Medium(GS). Short(SS) Intended Use: Road Drivetrain Spacing: Shimano/SRAM 9

The Shadow Rear Derailleur exhibits the same precision shifting as all of Shimano's XTR components, but also includes carbon fiber construction for reduced weight. Shimano used direct routing to reduce the chances that you'll snag a cable during your ride. The XTR Shadow Rear Derailleur's low-profile design keeps it from...

Congratulations—you just dropped a wad of dough on ceramic bearings for your hubs and bottom bracket. Now, think for a second about the steel bearings in your derailleur pulleys while you try not to cry. The truth is, SRAM Ceramic Road Pulleys are a crucial component of your drivetrain-smoothing agenda....

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

This SRAM adaptor allows you to mount a braze-on front derailleur to your clamp-on frame.

SRAM X.0 Red Rear Derailleur From Extreme Freeriding to the rigors of World Cup XC, SRAM X.0 performs with distinction. The superior 1:1 actuation ratio paired with light weight carbon fiber and aluminum cage design results in durability and performance. Red anodizing Carbon fiber outer cageV061 forged aluminum inner cage...

Stiff, strong and light. The SRAM X.7 trigger shifters for mountain bikes offer serious performance at an excellent price. These are 9-speed compatible. Features a 9-speed quick-view gear indicator 1:1® actuation ratio provides precise derailleur movement Compatible with SRAM 1:1 rear derailleurs and SRAM or Shimano front derailleurs

2010 SRAM X.9 Rear Derailleur SRAM X.9 rear derailleurs features the same high quality and lightweight refinements as X.0, without the high price tag.  For 2010 X.9 has been redesigned to provide a lower profile well still maintaining SRAM's legendary 1:1 actuation. Compatible with 7, 8 and 9 speed drive...

Wheels Manufacturing Derailleur Hangers Please use the hanger photos to select the proper hanger for your application or check fit application at www.wheelsmfg.com .

Campagnolo Chorus 10-Speed Rear Derailleurs

Campagnolo 8/9sp Pulley Set(2)Blister pack

Campagnolo Derailleur pivot sleeve.

The Campagnolo Record Carbon 10-speed medium cage rear derailleur is from Campagnolo's top-end Record line and it features a carbon body for weight savings and long lasting performance. Requires 10-speed Ergopower levers and chain Shifter/Rear Derailleur: Campagnolo Largest Cog: 29, 26 teeth Chain Wrap Capacity: 30, 36 teeth Derailleur Action:...

Campagnolo Veloce 10-speed rear derailleurs

The Veloce line offers 10 speed compatibility at a price you'll like. No fancy carbon here, but lightweight aluminum still keeps the grams down and lasts season after season. Totally interchangeable with other Campagnolo 10sp parts (Record, Chorus, etc) Claimed 250 grams

The Campagnolo Rear Derailleur Veloce 9 is available in silver intended for road use.