Sprocket Rear B8028-38 501-38 AFAM 16601 JTR 501-38Rear Sprocket. Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness. Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness. Manufacturer Part No. (MPN): B8028 38 Barcode: 9555387611475 Colour: Self Centre: 501 Material: Steel Position: Rear Teeth: 38 Fitment Summary