... natural,black,nickel,copper. long life duration high strength. reliable quality motorcycle chainStandard or Nonstandard: StandardType: Roller ChainMaterial: Stainless Steel ... with special technology,having the character of high strength motorcycle chain(1)Product:A series and B series ... having duty roller chains,roller chains with srtaight sides,Motorcycle chain.(2)Color:natural,black,nickel,copper.(3) ...