... 15.875mm 3.plate thickness:2.03mm High Quality 520 Motorcycle Roller Chain 1.material:40MN/A32.pitch ... and high strength7.pre-stretched and anti-fatigue8.produce as your sample or drawing9.sound quality, ... your own logo Main products as the following: 1.Motorcycle Chains: 25H (04CH), 415, 415H, 420, 420H ... , 05MA, 05MB, 05MC, 06MC 2. O-Ring Motorcycle chains: 428SO,520SO,525SO,530SO3. Roller chains: A ...