40cc 4-Stroke Motorized Pocket Bike (Blue) The 40cc 4-Stroke Pull Start Off Road Motorized Gas Mini Super Bike gets up to 15 MPH and 30 miles of riding out of each tank of fuel While 2-strokes will fold under heat, these 4-stroke engines are air cooled and give you a longer riding time than 2-stroke mini bikes Each bike comes equipped with High Traction GP Racing Tires for great grip on the road No pre-mixing before you ride! Just fill up with gas, pull the pull start rope, and you're ready to ride Various color options available