Sport buggy recommended minimum age new born pushchair weight 1056 kg canopy viewing window harness system 5 point safety harness slider adjustable handlebar height 95 105 cm folding mechanism collapsible special feature upholstered seat wheel settings swivelling lockable number of wheels 4 footrest not adjustable dimensions 1053 x 55 x 80 cm dimensions folded 285 x 58 x 855 cm included in delivery canopy with view window shopping bag applica