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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Maximum Bore: 48mm
Width Between Inner Plates (W): 9
08B39 sprockets with a stock bore comes with the standard 19 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
*Note: This Wear Gauge can be used with #35 through #100 roller chains
120B20 Sprocket With Stock Bore 100B29 Sprockets Maximum Bore: 48mmThis 120B20 sprocket is a durable, high quality, and precision sprocket with 20 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 120B20 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
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