This is the bicycle that resembles a standard mountain bike, but has an integrated battery hidden in its frame for a power boost when needed. Its 250-watt motor generates speeds up to 20 mph and unparalleled torque to help riders quickly climb steep hills with nine levels of pedal assisted power. It also has 12-speed Shimano manual gears, a lightweight yet durable aluminum alloy frame, and 27" rubber tires with molded treads that provide optimal traction on paved roads or forest pathways. With front and back disc brakes, padded saddle seat, LED headlight, and USB port for charging a phone. The 36-volt lithium-ion battery powers the bicycle for up to 30 miles after a six-hour charge via the included AC adapter. Supports up to 300 lbs. Black/Red or Black/Green. Ages 13 and up. Assembly required. 73 1/2" L x 42" W x 24 3/4" D. (44 lbs.)