Dear sir , WE are manufacturer of A-bike ,hope we can establish a good business relationship with you !IF you are interested in our products ,plz feel free to contact with us by !Best price and best quality for you ! ITEM:HFT-v Material:alumin allay ,nylon Packaging:1pc/ctn N.W: 5.5kg Volume:0.3cbm MAX load :110KG Tyre size:15cm x 3.2cm Max saddle height:90 cm Min saddle height:82cm Unfolded size:100cm x 70cm x 43cm Folded size：70*30*20cm It takes only a few minutes to learn how to fold the bike with a simple step by step guide provided with the A-bike.It's very popular in youngsters . Best wishes , HFT ,Karen