This 42 tooth chainring features a narrow-wide profile for excellent chain retention to be used on cranks with a 110 bcd. The ring also has a nicely polished silver finish.

BCD (Bolt Circle Diameter): 110
Chainring width: 3/32", for up to 11 speed chains
Material: Aluminum alloy
Weight: 87g
Note: if you're converting a double crankset into a single, you'll likely need single ring bolts.