CeramicSpeed Pulley Wheels for Shimano 11-speed - 11 Tooth, Coated Races

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
• Fits Brand: Shimano
• Drivetrain Speeds: 11