Audi saves 37 lbs. compared with using all-aluminum wheels.
LOS ANGELES – Aluminum wheels now widely used in cars and trucks are comprised of basically two elements: The “backbone,” or the wheel itself, and outer decorative “spokes,” or rims, also cast from aluminum. Lacks Wheel Systems, a unit of Lacks Enterprises based in Grand Rapids, MI, has developed technology to replace the rims with an electroplated injection-molded thermoplastic composite that saves weight and also provides more design freedom and aerodynamic ...
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