... STEEL, 26"*20", weight capacity: 100kg Specificationscargo bike,SHIMANO NEXUS 3speed,suitable for family riding,can be suitable ... for kids and dogs or cargo. cargo bike--front wheel: 20" wheel,alloy rimrear wheel:26" wheel,alloy ... /V, butyl tube, plastic tape BlackSaddle PVC, with spring Black Seat Post Steel, 28.6mm×300mm CPSeat Pin Alloy, quick release SilverMudguard ...