Something else that is notable about this 120BS13H sprocket is that it fully meets all ANSI Standards
100A10 sprockets with a stock bore comes with a 1" inside diameter plain hole and can be easily machine bored to custom sizes
This 120R21 sprocket is a durable
and precision sprocket with 23 hardened teeth that is manufactured to accept a E bushing
1310 Taper Lock Bushing X 19mm Bore Power Transmission Something else that is notableThis 1310 taper lock bushing is a high quality, durable, and dependable product that has been precisely manufactured to out last and out perform the competition. 1310 taper lock bushings are used in a wide range of applications including; belt pulleys, sprockets, drum pulleys, drive pulleys, tail pulleys, sheaves, and gears, which are items that we also offer! Additionally this bushing features a 19 millimeter bore with a standard keyway, for more