BBB Roller Boys Derailleur Pulleys - Black

Composite material provided by EMS Swiss, with 40% glass-fiber mixture. Complete set of bushings for different shifting systems included. 10T. Compatible with Shimano 7 and 8-speed; Campagnolo 8, 9 and 10 speed; SRAM 9.0(‘97/’98), 9.0SL(’98), 7.0(‘97/’98) and 5.0(‘98/’99). Colors: transparent, black, grey, blue and red