Verso by Kettler Cologne 7-Speed Aluminum Folding Bike, 20-Inch Seven-speed folding bicycle with 20-inch wheels for commuting and recreational riding Lightweight, double-lock Easy-fold aluminum frame and stem Shimano 7-speed Tourney rear derailleur and thumb shifter Forged aluminum 3-piece anodized crank set; aluminum V-brakes Sturdy front and rear metal fenders keep away road debris and spray; stylish luggage rack with integrated bungee cords