... ,OEM accept 3)Honda,Yamaha,Suzuki,Bajaj,Kawasaki High quality motorcycle front gear 1) Material:45# steel,16 # Mn,A3 steel2) Specification ... ,420,428,428H,520..etc3) Front gear:13T,14T,15T,16T,17T..etc4) Rear gear:34T,35T,36T,37T,38T,57T..etc ... of our product,please contact us without hesitation.Jenny13283294813 High quality motorcycle front gear