The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.
- Features two oversized 17-tooth aluminum pulley wheels
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
|Fits Model||Red 10 & 11 spd|
|Fits Model||Apex excluding 1X w/clutch|