The 250-watt motor struggles with any slight incline, and slopes drain the battery fast. The battery generally doled out all around 9 miles for me. I'm also tall, And that i needed to continually outstretch my arms to reach the handlebars. You will need to tighten the rear disc https://www.electricscooter.ltd/72v-electric-scooter-electric-mobility-scooter-e-bike-electric-motorcycle/