100BS17 Sprocket With 1-7/16" Finished Bore 100B13 Sprockets This 100BS20 sprocket features a

This 100BS20 sprocket features a 2-15/16" finished bore with a key-way and two set screws

Bushing Weight: 1

Sprocket Size: 08B30

This 100BTB30 sprocket is a durable

This unique chain is designed with double the amount of side plates and an enlarged pin giving it strength capabilities almost on par with a leaf chain with the flexibility of a roller chain

100BS17 Sprocket With 1-7/16" Finished Bore 100B13 Sprockets This 100BS20 sprocket features aThis 100BS17 sprocket features a 1 7 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 17 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 100BS17 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing