Jogger pushchair 3 wheeler pushchair recommended minimum age 6 months pushchair weight 99 kg frame material aluminium brakes handbrake canopy viewing window harness system 5 point safety harness slider adjustable wheel settings non swivelling wheel type pneumatic tyres wheel diameter rear 46 cm wheel diameter front 41 cm number of wheels 3 max load 34 kg footrest not adjustable colours grey blue included in delivery canopy with view window