Its best speed is rather good and the motor power does not degrade in excess of time. It’s pretty easy to assemble and very comfortable to fold and carry. It’s braking technique did degrade over time however although not a huge deal for the overall quality on the ebike. https://www.electricscooter.ltd/big-motor-72v-10000w-lg-battery-electric-scooter-with-hydraulic-brakes/