... high quality motorcycle chain,suit for all kinds of motorcycles as Yamaha,suzuki material: ... all kinds of motorcycles as Yamaha,suzuki1)material:40mn/45mn2)color : nature,black,blue,yellow3)advanced heat treatment process, mesh belt conveyor ... ,428,428H,520,520H,6303)short pitch conveyor roller chain attachments:A-1,A-2 ... -A,SK-24)double pitch transmissions v& conveyor chains :2040,2042,2050,2052,2060,2062 ...