Dekra D-Drive Urban Voyager Men's Chainless Comfort Bike (26-Inch Wheels) Men's cruiser comfort bike with lightweight aluminum alloy frame D-Drive chainless operating system provides whisper-quiet ride and easy pedaling 7-speed Shimano Revoshifter; front and rear alloy V-brakes Suede-covered comfort saddle; 26-by-1.75-inch city tread tires Integrated speedometer attached to tires; lifetime frame warranty