120BS17H Sprocket With 2" Finished Bore #120 BTB Type Sprockets Sprocket Weight: 103

Sprocket Weight: 103

Sprocket Size: 100BTB12

This 100BS11 sprocket features a 1-1/4" finished bore with a key-way and two set screws

120A80 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

Hub Diameter: 4-3/4"

120BS17H Sprocket With 2" Finished Bore #120 BTB Type Sprockets Sprocket Weight: 103This 120BS17H sprocket features a 2" 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 120BS17H sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing