Sprocket Rear RK-B2121-59 JTR1133-59

Rear Sprocket. Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness.

Supersprox Sprocket Rear RK-B2121-53 JTR1133 Afam 92114

Rear Sprocket. Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness.