120B11 Sprocket With Stock Bore #100 B-Hub Sprockets This 06B19 sprocket is a

This 06B19 sprocket is a durable

Hub Diameter: 4-3/4"

This 100B38 sprocket is a durable

120A54 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

120B11 Sprocket With Stock Bore #100 B-Hub Sprockets This 06B19 sprocket is aThis 120B11 sprocket 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 120B11 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also fully black oxide coated