Pinnacle aspen 5 speed 24 inch kids bike pinnacle childrens bikes are for all round use and maximising fun theyre light and simple ideal for parents who want small proper bikes that help children get the most out of cycling at an early age quality aluminium frames keep the weight low and the small block style bmx tyres are great for mixed terrain riding the bikes all use twin chain plates to avoid derailed chains and parents with greasy hands sequential hub gears keep it simple for learn