3 wheeler pushchair sport buggy recommended minimum age 6 months pushchair weight 99 kg harness system 5 point safety harness slider adjustable handlebar height 95 105 cm wheel settings swivelling lockable wheel type solid rubber tyres wheel diameter rear 24 cm wheel diameter front 18 cm number of wheels 3 safety bar with bumper bar footrest adjustable dimensions 99 x 61 x 103 cm dimensions folded 82 x 61 x 34 cm seat width 36 cm colour