FRONT CHAINWHEEL, FC-S501, ALFINE, 2-PCS FC,170MM, 42T, W/CHAIN GUARD(SINGLE), W/BB (BSA), BLACK

Description

* Urban-styled forged alloy crankset* Perfect match with Alfine internal gear hubs* Single chain guard* 42T chainring* 42.7mm chainline* BB included (SM-BB4600)