Big tire E bike, pedal and throttle, 5 levels of assistance, weight capacity 275 lbs, 180 mm disc brakes, 8 speed Shimano, aluminium frame and 26 inch x 4 inch wheels, front fork suspension, 48 volt, 12 a battery, 1,000 watt motor, Rides great, very fast, cost $1,595 American, only has 53 k on bike, Not the right bike for rough downhill racing, great for any streets or hills.