The BMXie balance bike doesnt compromise : a real BMX-styled bicycle frame, oversized tubing but extremely lightweight. Now fitted with Rubber skin tyres. Airless Rubber skin tyres are a new kind of tyre that gives you the best possible grip and you do not have to inflate them. A foam core means thay cannot puncture, an outside rubber layer makes them just like rubber tyres. Great grip and no pump; Superduper cool design, adjustable seat without tools and a removable footrest. Need anything more ; Maybe a detachable front number plate with various stickers ; Got it ; This is probably the coolest balance bike in the world ; . Fiberglass reinforced plastic frame. Weight when fully assembled 3.8kg. 12 inch wheel size. Inside leg 12.6-15.3 inches. EVA puncture-proof tyres. Suitable for ages 2 years and over. Self-assembly. Manufacturers 2 year frame guarantee. WARNING(S): Protective equipment (helmet, knee pads and elbow pads) should be worn, not to be used in traffic.