CeramicSpeed Pulley Wheels for Shimano 11-Speed - 12 Tooth Narrow Wide Coated Races Alloy Black. CeramicSpeed pulley wheels reduce friction last 3-5 time longer than stock high-end pulleys and are designed to work with less drag.Premium Grade 3 Silicon Nitride Ceramic balls
Hand built in Denmark
- TECH SPECS
Drivetrain Speeds | 11 |
Fits Brand | Shimano |