80BS11 Sprocket With 1-1/2" Finished Bore 1.5" Finished Bore 100R24 sprockets are bored to

100R24 sprockets are bored to accept a R1 type taper bushing

10B21 sprockets with a stock bore comes with the standard 16 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

This 25V1600SF Sheave uses an SF bushing

Limiting Speed (ZZ): 18000 RPM

80BS11 Sprocket With 1-1/2" Finished Bore 1.5" Finished Bore 100R24 sprockets are bored toThis 80BS11 sprocket features a 1 1 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 11 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 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #80 roller chain and sprocket thus preventing premature