CeramicSpeed Shimano 11-speed Pulley Wheels: Coated, Titanium, Raw
Pulley wheels that reduce friction, last 3-5 time longer than stock high-end pulleys, and reduce overall drag within the drivetrain.
- Grade 3 Silicon Nitride balls
- Hand built in Denmark
- Drivetrain Speeds: 11
- Fits Brand: Shimano