... , CRUX ....C100, WAVE, CB125T, A100, YB100, CD80, RC80, XL125.....420,428,520,428H, 525, 530 etcMaterial1045 steel, 1023 steel and 16MnSurface ... and CarburizationPackaging:Blister card, Slide blister, Poly bag, sprockets and chain set box or according to your requirement.MOQ:1000 SetsMain ... : OEM Service Offered Design Service Offered Buyer Label Offered roller chain and sprocket