SRAM GX 10 Speed, Medium Cage, Black Rear Derailleur Shimano XT 12 Speed *Minimum inner rim width needed

*Minimum inner rim width needed to install the inserts is 19mm

Weight: 255g (size 42 - 1/2 pair)

The cage features stiff bottom lip to support large bottles

For 2x9 drivetrains

supple and durable

SRAM GX 10 Speed, Medium Cage, Black Rear Derailleur Shimano XT 12 Speed *Minimum inner rim width neededSRAM GX rear derailleur takes the place of X. 9 and X. 7 10 speed models and provides shifting speed and precision. Exact Actuation technology eliminates slop and shifting variation Roller Bearing Clutch delivers maximum drivetrain stability even through the most punishing terrain Largest Cog: 36 Rear Derailleur Mount Type: 10x1 Standard Chain Wrap Capacity (teeth): 35 Cage Length: Medium Rear Der Shifter Compatibility: SRAM Exact Actuation Drivetrain