Carbon fiber frame, aluminum alloy wheel and ceramic bearing,_ lightweight to guide the chain smoothly._
Features:
Carbon fiber frame, lightweight and tough.
Aluminum alloy wheel with ceramic bearing to guide the chain smoothly.
16T/12T to reduce the friction for free riding.
2.6oz ultra lightweight, convenient to fit in your bike repair_tool box for handy use.
8700RC compatible for 5800 / 5700 / 4600 / 4700 / 105 guide pulley, and 8800RC compatible for Shimano 6800 / 6870 / 9000 / 9070 Ultegra / DURA ACE.
Specification:
Color: Black / Black & red (optional)
Style: 8700RC / 8800RC (optional)
Material:_ Carbon fiber & Aluminum alloy
Size: 12T+16T * 79L
Weight: 66-76g / 2.3-2.6oz
Package weight: 121-131g / 4.2-4.6oz
Package List:
1 * Bike Derailleur Pulley_
