Read full description! Bike info: The GMC Denali 700C 21-Speed Road Bike is built around a lightweight aluminum road bike frame. It's a versatile and popular road bike for riders looking to ride for fun, for exercise, as part of a group, or as part of individualized training. Unisex bike. Used but overall good condition needs new tube and handlebar tape, which is fairly cheap. SIZE: 700c Small (19”/48cm Frame—18 x 40 x 68 inches) 700 x 28c Tires Alloy Water Bottle Cage 36 Spoke Alloy Nutted Wheels 21 Speed Shimano Twist Shifting Alloy Calipers and Alloy Brake Levers 17” Aluminum Road Bike Step-Through Frame NOTES: the only defects this bike has is the rear tire has a flat tube and the grip tape on the handles are loose/used. (easily fixable)