100B42 Sprocket With Stock Bore 76-Tooth Sprocket This 06B17 sprocket is a

This 06B17 sprocket is a durable

06B28H sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Recommended Maximum Bore: 2-3/4"

Sprocket Size: 100B40

100B42 Sprocket With Stock Bore 76-Tooth Sprocket This 06B17 sprocket is aThis 100B42 sprocket is a durable, premium quality, and precision 42 tooth sprocket that is manufactured out of high quality steel. This sprocket is manufactured for optimum performance, durability, and to strict quality control standards. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket, preventing premature wear or breakage. It is