100F70 Sprocket (QD Type) 54-Tooth Sprocket Sprockets that have 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 08B21 sprocket is that it fully meets all ISO Standards

Tooth Count: 15

and precision sprocket with 17 hardened teeth

Something else that is notable about this 100B20 sprocket is that it fully meets all ANSI Standards

100F70 Sprocket (QD Type) 54-Tooth Sprocket Sprockets that have hardened teethThis 100F70 sprocket is a durable, high quality, and precision 70 tooth sprocket that is manufactured to accept a F bushing. Something that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket, thus preventing premature wear or breakage and this means that it will directly interchange with most other manufactures sprockets. This sprocket is also black oxide