Sport buggy recommended minimum age 6 months pushchair weight 66 kg reversible seat frame material aluminium carrycot pushchair seat backrest 3 positions brakes handbrake canopy removable harness system 5 point safety harness slider adjustable handlebar height 78 108 cm wheel settings swivelling lockable wheel type eva tyres number of wheels 4 recommended maximum age 3 years max load 15 kg safety bar removable footrest adjustable dimensi