BBB Rollerboys Ceramic Pulleys

The BBB Rollerboys replacement rear derailleur pulleys has ceramic bearings to keep your drivetrain running as smoothly as possible. The BBB Rollerboys ceramic bearings gives an ultra-smooth feel and provides almost no resistance, which equates to more power being transfered to speed! Composite material provided by EMS Swiss, with 40% glass-fiber mixture.
Compatible with:(10T) Shimano 7 and 8 speed; Campagnolo 8, 9, and 10 speed; SRAM ESP up to 2004
(11T) Shimano 9 and 10 speed; SRAM 10 speed
Shipping Weight: .5 lb.
Compatible with:
Shipping Weight: .5 lb.
















