A budget hub solution to mate your 1/2 inch output shaft directly to a wheel. Plain bore, no keyway. One set screw to hold firmly against a flat on a shaft. The bore can be slightly enlarged.

3-3/4" outer Diameter
4-bolt holes pre-drilled, 3/16in.
Bolt hole spacing from inner edge to inner edge: 1-7/16in.
1/2" Bore
10oz

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