OLD SCHOOL BMX OPC CHAINRING 40 TEETH 1/8" FOR ONE PIECE CRANK BLACK STEEL

Chainring has 40 teeth and uses a 1/8" chain which is standard on old school BMX and modern BMX bikes. Rear of this chainring is all black. This will suit both old school BMX & modern BMX. Could be used on BMX bikes with 18” or 20” wheels.