Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.
FEATURES
- Enhance shifting performance
- Optimized for new drive system
- Silent drivetrain
- Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear
- Add bumper at rear derailleur pulley cage
- Bigger 13T pulley
- Low profile design
- SHIMANO SHADOW RD+
- Low sprocket combination
- 10-51T (12-speed)
