Biria Step Through 3-speed Shimano Nexus internal Hub, Aluminum, Light Blue, 15 Inch frame size Cruiser comfort German design Bicycle Frame: Aluminum,Fork: Hi-Ten unicrown Gears: 3-speed Shimano Nexus internal Rims: Aluminum, Tires: 26x1.75, Frame: Aluminum 7005 - 40 cm (15 Inch) Stem: Adjustable Aluminum, Stem: Adjustable Aluminum Color: Light Blue, Weight: 31 lbs, Designed in Germany