Product Details:
Material: Full carbon fiber frame + Ceramic Bearings + 7075 Aluminum Alloy Guide Wheel ( CNC )
Gears: 10 and 11 speed
Weight: 70g
For bike type: Road bike and folding bike above 20"
Compatible:
For SRAM RED 10S/11S,RIVAL 10S/11S,FORCE 10S/11S
SIZE:upper 17T+ Lower 17T
Color: Black
Features:
Lightweight:Carbon fiber derailleur puuleys ultralight for 0.13 lbs
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 SRAM RED 10S,RIVAL 10S/11S,FORCE 10S/11S guide wheel group