120Q18 Sprocket (Taper Bushed) 35-Tooth Sprocket This 100A21 sprocket is a

This 100A21 sprocket is a durable

This 120BS25 sprocket features a 2" finished bore with a key-way and two set screws

and precision sprocket with 21 hardened teeth that is manufactured to accept a 2517 bushing

Bushing Number: 1210

This 100E35 sprocket is a durable

120Q18 Sprocket (Taper Bushed) 35-Tooth Sprocket This 100A21 sprocket is aThis 120Q18 sprocket is a durable, high quality, and precision sprocket with 18 hardened teeth that is manufactured to accept a Q1 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