Single 110BCD Chainring for Road Biking 5 Bolts Narrow Wide 42T 44T 46T 48T
5 bolt, 110BCD, support 9, 10, 11 speeds. Size: 110BCD. 4 types for you to choose, 42T, 44T, 46T, 48T. Narrow wide tooth chainring, less chance of dropping the chain. The chainring is made of CNC aluminum alloy material.