Kit catena di trasmissione professionale per moto 420 cinese, catena pignone

Product Description 1)Type roller chain 2)Materials Mn steel 3)Chain No. 420 4)Warranty 30000 KMs 5)Process Sand blasting, heat treatment,  High speed impact, Four sides riveting,  Pre-stretching and running, Lubricate with grease. 6)MOQ 1000Pcs 7)Supply Ability...