Sacrifice 120mm Hollow Core Stunt Scooter Wheel X 2The new UFO wheels are one of the lightest on the market. We are the first brand to use a new high wall PU that weve developed with our riders who all say it performs amazingly. The wheels also feature: Super light weight Hollow Tech design, with hollow inner core walls, so reducing weight where not needed and keeping strength where needed. The super light weight wheel means it will keep like youre riding a spaceship, fast and smooth. Sacrifice