Jogger pushchair 3 wheeler pushchair recommended minimum age 6 months pushchair weight 135 kg reversible seat harness system 5 point safety harness slider adjustable handlebar height 86 118 cm folding mechanism one hand fold collapsible wheel settings swivelling lockable wheel type pneumatic tyres wheel diameter rear 41 cm number of wheels 3 footrest not adjustable dimensions folded 109 x 63 x 39 cm colour grey included in delivery canopy sh