08B29 Sprocket With Stock Bore 31-Tooth Sprocket Roller Diameter (D1): 8

Roller Diameter (D1): 8

This 08B25 sprocket is a durable

This 08B18 sprocket is a durable

causing the chain to dig into the root of the sprocket which results in an excessive chain and sprocket wear

Match the hole pattern

08B29 Sprocket With Stock Bore 31-Tooth Sprocket Roller Diameter (D1): 8This 08B29 sprocket is a durable, high quality, and precision sprocket with 29 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 08B29 sprocket is that it fully meets all ISO Standards, which insures proper contact between the 08B 1 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also fully black oxide coated