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An innovation: Niobium Steel Tubes

All vehicles used for the "EXTREME E" championship will be manufactured with the same set developed by Spark Racing : tubular frame, as well as crash structure and roll cage will be made of niobium-reinforced steel alloy.
For Spark Racing, Osborn Metals has developed for the first time the manufacture of tubes in this niobium-reinforced alloy, more efficient than the usual Chrome Molybdenum alloy.