This 08B9 sprocket is a durable
Hub Diameter: 34mm
10B24 sprockets with a stock bore comes with the standard 16 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
120Q15 sprockets are bored to accept a Q1 type taper bushing
Something else that is notable about this 120B18 sprocket is that it fully meets all ANSI Standards
1215 Taper Lock Bushing X 15/16" Bore Roller Chain Sprockets This 08B9 sprocket is aThis 1215 taper lock bushing is a high quality, durable, and dependable product that has been precisely manufactured to out last and out perform the competition. 1215 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 15 16" bore with a standard keyway, for more