Sueh Q6 Folding Bike 7 Speed Double Disk Light 20 Inch Foldable Bicycle SUEH 20" Foldable Bicycles BEST Transportation Solution Easy to Fold and Carrie, Practical, Small and Fun!!! Healthy, Enviromental and eco-friendly. Multiple Colors, Fashion Design Shimano 7 Speed System, Breaks system: (Double: front and back wheels), Double disk