Yes. Reducing unsprung and rotating mass directly helps acceleration and braking, plus energy efficiency, because the motors and brakes have less mass to spin up and slow down. The UP-04 gets there through forged aluminum, weight-optimized spoke shaping, center buttressing, and stepped machining. Weights start from 19.1 lb depending on size. It is a measurable benefit on a heavy EV, a real gain you feel most in stop-and-go driving.
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