SRAM X01 Rear Derailleur 11 speed

- Large upper pulley offset automatically adjusts chain gap

- X-HORIZON design reduces shift force

- 12-tooth X-SYNC pulley wheels

- CAGE LOCK technology makes the removal and installation of wheels easier.

- TYPE 2 technologies:

- Integrated clutch mechanism

- Derailleur moves only for speed changes

- No oscillations, the chain doesn't bounce against the chainstays

- Chain controlled more accurately

- Sealed cartridge bearings

- Weight: 251g