Features: Gears: 11 speed Weight: 58 grams ( 0.13 pounds) Lightweight:Carbon fiber derailleur pulleys ultralight for 0.13 lbs Color: Black,Red, Blue,Golden,Purple Reduce Friction: Save 60% frictional resistance than 11T Smooth: Ceramic Bearings make it smooth and save more than 2.4 watt Durable: Full carbon fiber frame + Ceramic Bearings + 7075 Aluminum Alloy Guide Wheel ( CNC ) Suitable for Shimano 6700 6800,6870,9000,9070 Ultegra or DURA ACE guide wheel group
J**O
Excellent spare part piece and good looking on your bike
Excellent spare part piece and good looking on your bike, you reallly fell the difference with smoothers spins in high cadence
Trustpilot
3 days ago
1 day ago
