140B21 Sprocket With Stock Bore 12-Tooth Sprocket This sprocket is also fully

This sprocket is also fully black oxide coated which increases resistance to the environment and will prevent early rust build up

Sprocket Size: 100C72

140F35 Sprocket Dimensions

Sprocket Size: 100A26

Inside Width (R): 11

140B21 Sprocket With Stock Bore 12-Tooth Sprocket This sprocket is also fullyThis 140B21 sprocket is a durable, high quality, and precision sprocket with 21 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this 140B21 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #140 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also fully black oxide coated