The ATOM Scooter from Grit is a great machine for young riders that features two height bars to upgrade as they grow. Features: DECK: 6061 Heat Treated Alloy Deck with Diamond Shape Down Tube W:101mm (4) x  L: 483mm (19) BARS: 2 Heights Hi Tensile Riser Handlebar Bars for Smaller Riders to Grow – W: 460mm x H: 500 OR 550mm  FORK: Hi Tensile Threaded  Fork WHEELS: 100mm 85A PU Nycore Wheels with ABEC 7 Bearings CLAMP: Alloy Double Clamp 31.9mm HEAD PARTS: Threaded OTHER: Grit Flex Brake / Soft Feel Grips