The Serpent 500650 - SDX4 2.5mm Aluminum Chassis is made to improve stability when running on high-traction surfaces. The hardcoated 2.5mm construction limits flex compared with the standard 2mm chassis, helping the car track truer through corners. Strategic machining preserves a weight profile close to the factory item, maintaining familiar balance and response.
A sensible upgrade for racers who want firmer chassis behaviour on sticky layouts without upsetting the original weight distribution.
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