This bike is the right balance of power and agility on the road. Alpan is a mountain bike with 27.5 in. wheels, the last frontier of the universe of off-road bicycles, which simultaneously maintains all advantages of 26 in. wheels (such as speed and lightness) and the stability and security of 29 in. wheels. Pedal to actuate the motor with two options to regulate speed; pedal alone or pedal with the throttle for maximum speed potential. The transportation speed depends on the rider’s weight, input (pedalling) and terrain contingent.