Semi hydroformed rear fork and double place Cross style fork. Thi ssporty bike helps to develop the necessary balance on two wheels in order to help move to a real bicycle with pedals. Metal frame. Weight when fully assembled 4.63kg. 12 inch frame size. 9.5 inch wheel size. EVA puncture-proof tyres. Adjustable seat to suit a growing child. Suitable for ages 2 years and over. Minimal assembly. Manufacturers 2 year parts guarantee. WARNING(S): Not suitable for children under 3 years old. To be used under the direct supervision of an adult. Protective equipment (helmet) should be worn, not to be used in traffic.