KCNC Bicycle Lightweight Derailleur Parts, Ceramic Bearing Jockey Wheel, 11T Pulley

A lightweight parts brand that pushes the limits of metal processing technology and boasts world-class CNC technology. From racing parts like sprockets and pulleys to accessories like bottle cage bolts, we offer high-quality products that will elevate your bike.

For 9/10/11-speed Material: CNC-machined 7075 aluminum alloy Bearings: Ceramic Compatible with: SHIMANO, CAMPAGNOLO, and SRAM 9-, 10-, and 11-speed derailleurs (Not compatible with SRAM guide pulleys or SRAM APEX).

Ceramic bearings provide smoother rotation and a 20% increase in durability.