Buggy recommended minimum age 6 months pushchair weight 6 kg backrest 2 positions harness system 3 point safety harness slider not adjustable handlebar height 98 cm wheel settings swivelling lockable wheel type eva tyres wheel diameter rear 15 cm wheel diameter front 15 cm number of wheels 4 footrest adjustable dimensions folded 56 x 31 x 51 cm included in delivery canopy shopping bag application city