120BTB15 Sprocket (Taper Bushed) 1.5" Stock Bore This 10B23 sprocket is a

This 10B23 sprocket is a durable

Pin Diameter (L): 4

10B19 sprockets with a stock bore comes with the standard 14 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

this #100 chain tensioner guides

and precision 84-tooth sprocket that is manufactured out of high-quality steel

120BTB15 Sprocket (Taper Bushed) 1.5" Stock Bore This 10B23 sprocket is aThis 120BTB15 sprocket is a durable, high quality, and precision sprocket with 15 hardened teeth that is manufactured to accept a 2517 bushing. 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 #120 roller chain and sprocket which prevents premature wear or breakage. This