Build quality is quite damn strong. That along with the brakes are why I gave it two stars. In any other case I might have presented it one. I’d give it zero if I could. Combined with the Air’s 41 lb frame, it stays light adequate to carry up https://www.electricscooter.ltd/big-wheel-fat-type-off-road-electric-scooter-all-terrain-electric-scooter-10000w/