Travel system recommended minimum age new born pushchair weight 95 kg reversible seat carrycots car seat carrycot pushchair seat harness system 5 point safety harness slider adjustable folding mechanism one hand fold umbrella fold special feature upholstered seat wheel settings swivelling lockable wheel type solid rubber tyres wheel diameter rear 21 cm wheel diameter front 18 cm number of wheels 4 safety bar with bumper bar footrest adjustable