CeramicSpeed Pulley Wheels for Shimano 11-speed - 11 Tooth 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
| Fits Brand | Shimano |
| Drivetrain Speeds | 11 |