How about an endless scooter?

Scooter is a comfortable, safe and fashionable means of transportation. Its pedals can be automatically adjusted to suit the rider's weight and intention, the power output is stable and linear, and the rider can control the speed more freely. In addition, the scooter has fashionable design and excellent performance, and is equipped with advanced electronic control system and safety configuration, such as ABS anti-lock braking system and TCS traction control system, which makes the rider safer and more stable during driving.