Bicycle Carbon Fiber Ceramic R8000 Rear Derailleurs Bike Pulley Guide Wheel,for Shiman 8000/8050/8070/9170/9100/99150
- This design has an integrated limit tower for easy installation.
- the rear derailleur can be absolutely optimized. The upper and lower oversized aluminum pulleys are equipped with standard or coated ceramics.
- fit for Shiman 8000/8050/8070/9170/9100/99150
- Bearing: Fully sealed ceramic bearing