Travel system recommended minimum age new born pushchair weight 135 kg reversible seat carrycots car seat carrycot pushchair seat carry bag canopy sunshade harness system 5 point safety harness slider adjustable series concord wanderer wheel settings swivelling lockable wheel type solid rubber tyres number of wheels 4 safety bar with bumper bar footrest adjustable dimensions 104 x 60 x 107 cm dimensions folded 69 x 50 x 39 cm colour black i