Projekt City - 20" inch City Bike Compact Folding Single Speed Uno College Bicycle, Black (Matte Black) Extremely compact bicycle with a unique folding function for space saving storage Easy Portable Folding Bike to fit in your car to get around locally. Sit upright and enjoy city bicycle riding. Not intended for high-speed riding. Adjustable seat height, rear coaster braking 20" Inflatable Air Tires and Tubes