Description

BBB - ROLLERBOYS PULLEYS 

Industrial sealed ABEC-3 rated bearings for super-smooth performance and long-lasting durability. Other brand pulleys have no bearings inside. Composite material provided by EMS Swiss, with 40% glass-fibre mixture giving unmatched stiffness and precise shifting. All bushings for different shifting systems are included. 

11T, compatible with: 

Shimano 9 and 10 speed / mega range 

Campagnolo 11 speed

SRAM X9 / X7 / XO ('11)