BBB Ceramic pulley wheel
Produced on 40% Glass-fiber EMS Swiss
Pulley wheel with ceramic bearings, for better slippage and minimal resistance.
Protected against dust and wind, very hardwearing and runs very easy. Adapted with the different discs which are following in the package.
10 teeths fits to Shimano 7 and 8 speed, Campagnolo 8, 9, 10 and 11 speed and SRAM ESP To year 2000.
11 teeths fits to 9 and 10 speed derailleur, Shimano with more, and also Megarange derailleur.