100BS16 Sprocket With 2-15/16" Finished Bore 100B21 Sprockets Pitch Diameter: 37

Pitch Diameter: 37

and precision 48 tooth sprocket that is manufactured to accept a 3020 bushing

and precision A-Plate sprocket with 21 teeth that is manufactured out of high-quality steel

Sprocket Size: 08B25

100BS16 Sprocket With 2-15/16" Finished Bore 100B21 Sprockets Pitch Diameter: 37This 100BS16 sprocket features a 2 15 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 16 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 100BS16 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing