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||Dura Ace 7900/7970/9000/9070|
|Fits Model||Ultegra 6700/6770/6800/6870|
This product was added to our catalog on April 25, 2018