Trybike 2-in-1 Balance Bike / Tricycle in Grey by Co&CoTrybike 2 in 1 balance bike tricycle by Co&Co. Adjustable balance bike that can be converted from a tricycle into a bicycle. The low tricycle offers young children lots of support to start their walking and riding skills and can be used from 15 months up to around two and a half years. When the next stage of riding starts learning how to balance the trike can easily be converted into a balance bike and is suitable from around two years of age up to