- 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
- 43 tooth total capacity, rear sprocket size range 11-34T
- Compatible with 9-speed drivetrains