100BS18 Sprocket With 2-7/16" Finished Bore Metric A1 Attachments This 08B12 sprocket is a

This 08B12 sprocket is a durable

Sprocket Size: 100BTB30

08B40 sprockets with a stock bore comes with the standard 19 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Sprocket Weight: 9

Hub Diameter: 5"

100BS18 Sprocket With 2-7/16" Finished Bore Metric A1 Attachments This 08B12 sprocket is aThis 100BS18 sprocket features a 2 7 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 18 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 100BS18 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing