Super Wheel is a product developed by Super Wheel System located in Ireland, and it does not require electricity and is a spring wheel that converts the weight of the occupant into propulsion.
First, a person rides on the drive mechanism located in the center, and the weight frame sinks little by little, and the wheels are shifted up and down. This acts as a wheel spring, and the weight reaction force leads to the upper spring compression lower spring. This operation occurs 8 times, which is the number of springs per wheel. In addition, the assist function can be used by manpower to create additional torque by reaction forces on the ground. It is infinite assist function using manpower. The efficiency created through this is said to improve by more than 30% compared to standard wheels.
The price of this product is 395 euros. Related information can be found here.