DJC 144BCD Round Chainring Fixed Gear Fixie Track Bike 47T 49 51 53 55 57 59 61T Single Speed Chainwheel 1/2 * 1/8 144 Bcd

描述

DJC 144BCD Round Chainring Fixed Gear Fixie Track Bike 47T 49 51 53 55 57 59 61T Single Speed Chainwheel 1/2 * 1/8 144 Bcd