Tandem pushchair recommended minimum age new born pushchair weight 102 kg reversible seat carrycot pushchair seat backrest 3 positions harness system 5 point safety harness slider adjustable series brevi ovo twin wheel settings swivelling lockable wheel type solid rubber tyres number of wheels 4 safety bar with bumper bar footrest adjustable colour blue included in delivery pushchair seat canopy footmuff rain cover shopping bag bumper bar