Combi pushchair recommended minimum age new born pushchair weight 25 kg reversible seat frame material aluminium carrycots car seat carrycot pushchair seat backrest 3 positions brakes locking brake canopy removable sunshade suspension slider adjustable handlebar height 83 111 cm folding mechanism one hand fold wheel settings removable wheel diameter rear 29 cm wheel diameter front 20 cm number of wheels 4 max load 15 kg footrest adjust