Sport buggy recommended minimum age new born reversible seat carrycot car seat backrest multiple brakes locking brake canopy with sun protection viewing window harness system 5 point safety harness slider adjustable handlebar height 83 109 cm folding mechanism 3d folding system collapsible special feature reflective light wheel settings swivelling removable lockable wheel type air chamber wheels number of wheels 3 max load 15 kg safety bars re