FamilyGoKarts Boulder 400XR Kids ATV in Tree Camo Its low 25 inch seat height and stable 31.5 inch wheelbase make the Boulder 400XR the perfect size for kids just starting to ride. It is equipped with several safety features to keep parents in control including a speed limiter and remote control with engine shut-off. A rugged steel frame and full suspension combined with all-terrain tires make this bike ready for the toughest trails. This ATV has a dependable air-cooled, single cylinder, 4-stroke engine for ease of maintenance, convenient electric start and a smooth, easy to handle automatic transmission. Max Torque: 6.5N.m/5000-5500r/min; Battery: 12V/4Ah; Front Hand Brake: Drum; Rear Foot Brake: Hydraulic Disc; Fuel Capacity: 2.3 Liters