2 PU Wheels Aluminum Alloy 120mm Wheels EZ Fold-up Padded Grips This 120mm Combat scooter is ready to go, no assembly required. Pop it right out the box and use the quick release pin to adjust. It is constructed with durable alloy for high strength and polyurethane wheels for a smooth ride. This scooter is EZ fold up for on the go or storage. Another quality product from Stoneridge Cycle.