The Dualtron Ultra 2 Upgrade comes in two variants: 72V 32Ah (China 21700 cells) with a 90 km range and 72V 40Ah (LG-M50LT-21700 cells) with a 120 km range. Both feature dual hub motors, 6640W power, a top speed of 96 km/h, weigh 45 kg, and have a max load of 100 kg.