X-Treme Scooters XB-420M Elite Electric Mobility Scooter X-Treme's XB-420M Electric Bike is a 3 Wheel High-Power Mobility Scooter With the rising gas prices these days Electric modes of transportation This mobility scooter is fast. It will ride a wheelie if the speed limiter is turned up to maximum. The owner / driver should be capable of driving a high powered scooter before attempting to operate this machine. This item is not for sale in Catalina Island