100BS21 Sprocket With 2-3/16" Finished Bore 12-Tooth Sprocket Sprocket Size: 100BTB45

Sprocket Size: 100BTB45

100BS25 2 3/16" Finished Bore Sprocket Dimensions

Design-wise

This 06B13 sprocket is a durable

100BS21 Sprocket With 2-3/16" Finished Bore 12-Tooth Sprocket Sprocket Size: 100BTB45This 100BS21 sprocket features a 2 3 16" finished bore with a key way and two set screws. It 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 100BS21 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing