120A70 Sprocket Metric Roller Chain Attachments 100BTB20 sprockets are manufactured to

100BTB20 sprockets are manufactured to accept a 2517 size taper bushing which we also stock with a wide range of bore sizes

Threads: 1/4"

120BS32 1 1/4" Finished Bore Sprocket Dimensions

34" at its widest point (the connecting link)

120A70 Sprocket Metric Roller Chain Attachments 100BTB20 sprockets are manufactured toThis 120A70 sprocket is a durable, high quality, and precision A Plate sprocket with 70 teeth that is manufactured out of high quality steel. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also evenly coated with black oxide, which adds resistance to to the environment and