prov:value
| - For example, in one version, the hub 350, spokes 335, and rim 345 may comprise a light weight metal, such as magnesium, aluminum, titanium, or the like, and the body may comprise a light weight and easily machinable, formable or moldable material, for example a polymeric, ceramic, or composite material, such as a rigid skinned urethane foam material formable by reaction injection molding.
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