Light and Foldable]: Toy is made of high-strength aluminum alloy, light and rust-free; the Toy supports folding in half, which is suitable for most of the car's back-up carriages. [3 Riding Modes]: Variable Speed Electric Bicycle has Pure electric mode, riding mode and electric power assisted mode. Suitable for adults and teenagers. [Large Battery Capacity]: Built in detachable rechargeable lithium battery, with a large battery capacity of 48V 12.5Ah at most, with a long endurance [250W Brushless Motor]: Electric Mountain Bike is equipped with 250W high-magnification brushless motor,lower power consumption, improve the climbing performance and reduce the battery load. [Safer Riding] Folding Electric Cycling has 8 front and rear double disc brake ensure bikes braking distance is reduced adding to the safety of the rider.