100BS15 Sprocket With 1-7/16" Finished Bore 1.5" Stock Bore **Note: The sprocket in the

**Note: The sprocket in the picture shows the bushing going into the face of the sprocket

Something that is notable about this 08B31 sprocket is that it fully meets all ISO Standards

Sprocket Weight: 24

This 100BS13 sprocket features a 2-3/16" finished bore with a key-way and two set screws

100BS15 Sprocket With 1-7/16" Finished Bore 1.5" Stock Bore **Note: The sprocket in theThis 100BS15 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 15 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 100BS15 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing