IntroNatural springing and protects the childs spine.The Kiss helps to make bike rides simple and safe when you go cycling with a child on board. The Hamax freely suspended fastening bracket provides natural springing and protects the childs spine during the trip.Adjustable safety harness and footrests.All Hamax child bike seats are designed to grow with the child via an adjustable safety harness and footrests. The child bike seat may be easily attached to and removed from the bike. By purchasing an extra bracket, you may easily switch the child bike seat between two bikes. For children above the age of 9 months and weighing up to 22 kg.