Jogger pushchair 3 wheeler pushchair recommended minimum age new born pushchair weight 11 kg harness system 5 point safety harness slider adjustable handlebar height 78 111 cm wheel settings swivelling lockable wheel type pneumatic tyres wheel diameter rear 30 cm wheel diameter front 30 cm number of wheels 3 safety bar with bumper bar footrest not adjustable dimensions folded 103 x 63 x 30 cm colour black included in delivery canopy shoppin