Its best speed is really good plus the motor power does not degrade above time. It’s really easy to assemble and very comfortable to fold and carry. It’s braking procedure did degrade more than time even though but not a giant deal for the general quality with the ebike. https://www.electricscooter.ltd/long-distance-electric-scooter-electric-scooter-dual-motor-patineta-electrica-scooter/