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Reply to "Restoring Original Campy Wheels"

Judge, Larry Stock at www.panteraparts.com has been restoring magnesium wheels since the '90s, and even has reconditioned wheels in stock, using yours as cores. Low pressure cast magnesium has some "interesting" properties, one of which is, it builds up stresses over time, then develops cracks starting at pores in the structure. This can be alleviated by heating the wheels to anneal such stresses per aerospace specs. Heating discolors the protective paint so the annealed wheels are then repainted, and will need new valve stems; recommend metal, NOT rubber. Also used for Halibrand & other cast mag racing wheels.

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