120BS17H Sprocket With 2" Finished Bore #120 BTB Type Sprockets Our superior 10B K2 attachment

Our superior 10B K2 attachment connecting link is designed explicitly for metric 15

Hub Diameter: 4-3/4"

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

Sprocket Weight: 103

120BS17H Sprocket With 2" Finished Bore #120 BTB Type Sprockets Our superior 10B K2 attachmentThis 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