bicycle chain: 1)1/2x1/4x112L, 1/2x1/4x116l 2)1/2x1/32x116L, motorcycle chain, 415,428,428H 3)material: steel bicycle chain1)1/2x1/4x112L, 1/2x1/4x114L2)1/2x1/32/116L, motorcycle chain, 415,428,428Hx116L3)material : steel4)colour: blue, black, golden, cp5)packing: 1 pc packing one small box, 50pcs into one carton.