120R20 Sprocket (Taper Bushed) 120B17 Sprockets It also features an adjustable

It also features an adjustable arm length for added flexibility

This 120BS10H sprocket features a 2" finished bore with a key-way and two set screws

100BS21 1 7/16" Finished Bore Sprocket Dimensions

10B SA1 Attachment Dimensions

10C200J Sheave Dimensions

120R20 Sprocket (Taper Bushed) 120B17 Sprockets It also features an adjustableThis 120R20 sprocket is a durable, high quality, and precision sprocket with 20 hardened teeth that is manufactured to accept a R1 bushing. Sprockets that have hardened teeth last longer and are much more durable than those that don't. 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 which prevents premature wear or breakage. This