120A21 Sprocket 08B-4 Metric Roller Chain Maximum Bore: 14mm

Maximum Bore: 14mm

and precision A-Plate sprocket with 36 teeth that is manufactured out of high-quality steel

Stock Bore: 1-5/16"

and precision sprocket with 27 hardened teeth

120A21 Sprocket 08B-4 Metric Roller Chain Maximum Bore: 14mmThis 120A21 sprocket is a durable, high quality, and precision A Plate sprocket with 21 teeth that is manufactured out of high quality steel. 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 thus preventing premature wear or breakage. This sprocket is also evenly coated with black oxide, which adds resistance to to the environment and