Save some serious watts (as much as 4 watts) and gain precision shifting.
Lightweight alloy derailleur wheels
Ultra high quality ceramic bearings
- Grade 3 ceramic balls, hardened races and low-friction seals
- Hand built in Denmark
- These pulleys are compatible with all Shimano 11-speed rear derailleurs that aren’t XT or XTR
- Precision machined aluminum pulleys
- Hardened races