50BS21 Sprocket With 1" Finished Bore
50BS21 1" Finished Bore Sprocket Dimensions

Sprocket Size: 50BS21 Tooth Count: 21 Outside Diameter: 4.520" Hub Type: B Bore Size: 1" Keyway Size: 1/4" X 1/8" Hub Diameter: 3" Length Thru Bore: 1" Sprocket Weight: 2.40 LBS Common Interchanges: 50BS21H, H50BS21, 50BS21-FB
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Sprocket Size: 50BS21 Tooth Count: 21 Outside Diameter: 4.520" Hub Type: B Bore Size: 1" Keyway Size: 1/4" X 1/8" Hub Diameter: 3" Length Thru Bore: 1" Sprocket Weight: 2.40 LBS Common Interchanges: 50BS21H, H50BS21, 50BS21-FB