Altus mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice Oversize 13/15-tooth tension and guide pulleys to reduce noise and wear Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action Top normal spring for use with...

Offering pro-level features, the 10-speed compatible Tiagra rear derailleur gives high performance at a low price Wide link design increases rigidity and service life Advanced light action for low-friction shifting up or down the block Alloy body's and outer link leads to lower weight without compromising strength...

SRAM ETAP BATTERY (FRONT OR REAR DERAILLEUR) QTY 1 SRAM RED eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs.Up to 1000 kilometers of riding per charge

Ultegra Shadow design rear derailleur with wide link design gives quick accurate shifts and excellent drivetrain efficiency Sleek appearance with Low profile Shadow design construction reduces risk of damage in a crash Wide outer link plates increase pivot joint rigidity to reduce shifting deflection Lightweight...

11-speed 105 wide link rear derailleur medium cage - GS Advanced Wide Link design increases rigidity and shifting performance Super stiff for fast and accurate changes across the cassette Large 11 tooth pulleys increase service life and reduce noise Super light shift action Compatible with...

10-speed 105 wide link rear derailleur medium cage - GS Advanced Wide Link design increases rigidity and shifting performance Super stiff for fast and accurate changes across the cassette Large 11 tooth pulleys increase service life and reduce noise Super light shift action Compatible with...

Sora derailleurs feature an advanced light action for low-friction shifting up or down the block Wide link design for increased rigidity and precise gear shifts 11-tooth pulleys for reduced pulley wear and chain noise Pulleys feature sintered alloy bushings for smooth-running performance 37 tooth total...

2400 Claris derailleurs feature an advanced light action for low-friction shifting up or down the block Wide link design for increased rigidity and precise gear shifts For use with double setups Compatible with 8-speed drivetrains Max sprocket sizes: 25-32T...

2400 Claris derailleurs feature an advanced light action for low-friction shifting up or down the block Wide link design for increased rigidity and precise gear shifts For use with triple setups Compatible with 8-speed drivetrains Max sprocket sizes: 28-34T...

Details This Tension & Guide Pulley Set can be used with Shimano Ultegra RD-6800  rear derailleurs.Genuine Shimano replacement part.

Wide link design 105 double front derailleur for increased rigidity and improved shifting response Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load For 11-speed drivetrains Toggle link design is light action with short lever movement and less effort...

RollerBoys equipped with low friction ceramic bearings for ultra-smooth glide and exceptional durability. Lubricated with special ceramic light oil for extra smoothness. Composite material provided by EMS Swiss, with 40% glass-fiber. Complete set of bushings for different shifting systems included. Ceramic...

High-quality aluminium derailleur pulleys. Extra stiff for fast shifting. High-quality sealed ball bearing. 11T. Compatible with Shimano 9 and 10-speed and Campagnolo 11-speed.

The Altus RD-M370-SGS is a light action MTB rear derailleur for 9-speed shifting systems. It features a low profile concept with double servo-pantograph technology that improves adjustability and resists weather and contamination. The rear derailleur always keeps close to the cassette sprockets, allowing smooth and effortless gear changing. Wide...

7-/8-speed compatible13-tooth derailleur wheelsMax. sprocket size: 28-34 teethTotal capacity: 43 teethWeight: approx. 306 g 

The Shimano RD-5800 tension and guide pulley set for SS-type are Genuine Shimano replacement part

Use: Road Group: 105 Model: RD-5800 SS Cage: Short Gears: 11-speed Max sprocket: 28 teeth Max Differerenz front: 16 teeth Min teeth large sprocket: 23 teeth Min teeth small sprocket: 11 teeth Total capacity: 33 teeth Color: black Weight:...

Now compatible for 11-30 teeth cassette! The rear derailleur RD-5701 SS has a wide gear ratio with a maximum front difference of 16T and a total capacity of 34T.2 x 10 compatible Wide-Link-Design to reduce shifting...