3 wheeler pushchair recommended minimum age new born pushchair weight 83 kg harness system 5 point safety harness slider not adjustable series cam met wheel settings swivelling lockable wheel type solid rubber tyres number of wheels 3 safety bar with bumper bar footrest not adjustable dimensions 97 x 59 x 108 cm dimensions folded 32 x 59 x 74 cm colour blue included in delivery canopy rain cover shopping bag bumper bar