Combi pushchair recommended minimum age new born pushchair weight 106 kg reversible seat carrycots carrycot pushchair seat harness system 5 point safety harness slider adjustable handlebar height 98 105 cm folding mechanism collapsible wheel settings swivelling lockable wheel type air chamber wheels wheel diameter rear 27 cm wheel diameter front 19 cm number of wheels 4 footrest adjustable dimensions 85 x 64 x 105 cm dimensions folded 83