| 摘要 |
A hub for a wheel having a low mass and low moment of inertia includes a tubular body with a bore having, and three radially-extending arms that terminate with a tab. The hub is adapted for mounting on the radial flange of a wheel rim. The arms are space 120 degrees apart and extend from the body tapering from a relatively thick and wide portion to a relatively narrow and thin portion. A bore in the tab receives a fastener for securing the tab to the flange. Mounting hardware including spacers, bearings, O-rings, and an oil seal are secured within the body bore for mounting the hub onto the spindle of a vehicle steering mechanism. A hub nut and cotter pin secures the hub to the spindle. A center cap covers the open end of the body. The hub may optionally include three flanges for mounting a brake rotor.
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