ScooterX 49cc X-Racer Gas Scooter The X-Racer comes with solid front fork and foldable bars for easier transportation. This is one of the most powerfull 49cc motors on the market. Comes stock with high compression head! Centrifugal Clutch - This is an Automatic clutch Front and rear Disc Brakes - safer than the common drum style brakes Aluminum Deck . Twist throttle