The Unscooter Slider U8 - Three Wheel Action Scooter - Pink High quality tubular steel construction, the stability of three 8 inch polyurethane wheels and the safety of dual handbrakes Ideal for the taller teens and adults to 6 feet 5 inch. 8 inch wheels provide the smoothest ride Our fastest model, and although slightly less maneuverable than the U6, it is just as rider friendly Ages 10 to adult (275 lb. weight limit) The longer decks and stronger action coils make this one ideal for touring, cross-training, aerobic and cardio