SRAM

 10-speed MTB rear derailleur Aluminum outer link and steel inner link Steel cage Steel hardware X5 10sp 36 42 Long 1to1 BLK 245gUPC/EAN/GT...

 10-speed MTB rear derailleur Aluminum outer link and steel inner link Steel cage Steel hardware X5 10sp 36 42 Long 1to1 BLK 245gUPC/EAN/GTIN: 710845673757

 9-speed MTB rear derailleur Aluminum outer link and steel inner link Steel outer cage X5 8/9sp 36 45 Long 1to1 BLK 299gUPC/EAN/GTIN:...

 9-speed MTB rear derailleur Aluminum outer link and steel inner link Steel outer cage X5 8/9sp 36 45 Long 1to1 BLK 299gUPC/EAN/GTIN: 710845673795

 All-new XC focused and trail ready derailleur that�s specifically designed and optimized to be motor-driven instead of cable-actuated Instantaneous shifts from a single touch even while...

 All-new XC focused and trail ready derailleur that�s specifically designed and optimized to be motor-driven instead of cable-actuated Instantaneous shifts from a single touch even while under World Cup-winning chain loads Eagle AXS is designed to work with X-DOME Eagle cassettes only, providing the most precise, silent, and reliable shift performance available AXS powered components enable customization and scale to an individual rider�s liking via the AXS...

 11-speed MTB rear derailleur Straight parallelogram design with horizontal movement reduces shift force and improves drivetrain performance Roller bearing clutch and cage...

 11-speed MTB rear derailleur Straight parallelogram design with horizontal movement reduces shift force and improves drivetrain performance Roller bearing clutch and cage lock Large upper pulley offset automatically adjusts chain gap New and improved Roller Bearing Clutch Design for 2015 11sp 42 Mid 1to1 BLK 220gUPC/EAN/GTIN: 710845764783 ...