These Hubs are the "core" component of the BB Mecanum Wheels.
- Bolt Pattern: 0.159 in. diameter holes on a 1.875 in. diameter bolt circle
- Bore: Nub Bore, 0.375 in. Hex, 0.5 in. Hex
- Material: Polycarbonate
- Outside Diameter: 2.5 in.
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