3 wheeler pushchair combi pushchair recommended minimum age new born pushchair weight 95 kg carrycots car seat carrycot pushchair seat backrest continuously adjustable brakes locking brake canopy with sun protection removable harness system 5 point safety harness suspension slider adjustable folding mechanism one hand fold collapsible wheel diameter rear 29 cm wheel diameter front 23 cm number of wheels 3 max load 15 kg safety bars removable