Description
Carbon fiber ceramic rear derailleur 17T pulley Guide Wheel for Shimano 6800 R7000 R8000 R9100 R9000
Lightweight: Carbon fiber rear derailleur pulleys ultralight for 0.13 pounds
Reduce Friction: Save 60% friction resistance than 11T
Smooth: Ceramic bearings are smooth and save more than 2.4 watts
Durable: Full carbon frame + Ceramic Bearing + 7075 Aluminum Guide Wheel (CNC)
Suitable for 9100 R8000 guide wheel group
Suitable for Dura Ace 7900/7970, 9000/9070, R9100 / R9150
Suitable for Ultegra 6700/6770, 6800/6870, R8000 / R8050
