Build quality is really damn durable. That plus the brakes are why I gave it two stars. Or else I would have offered it one. I’d give it zero if I could. - This scooter is just designed for city basic terrain. It may possibly handle up to 20 https://www.electricscooter.ltd/72v-10000w-electric-scooters-with-dual-motor-mobility-e-scooter/