Bicycle Carbon Fiber Ceramic R7000 Rear Derailleurs Bike Pulley Guide Wheel,for Shiman R7000
- 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 R7000Bearing: Fully sealed ceramic bearingThe use of reinforced carbon fiber d provides higher stability.