Specifications: Suggested Usage Competition Engine 4.5 HP - 46cc Go-Ped GP460RS Race Engine Max Speed 28-30 Transmission Centrifugal Clutch / Chain Weight (lb) 80 Est. Fuel Econ. (mpg) 60 Fuel Tank (liters) 1.5 Tires 11" Off Road Pneumatic Brakes Disk California Air Resource Board Legal N dB (Max RPM) --- Additional Features Front and rear patented CIDLI suspension system, Oversized knobby tires, magnesium rims, Higher output race engine, 2 wheel drive / braking / live axel, rear disk brake, 10in suspension travel.