Schwinn GTX 1 sport hybrid bike, 21 speeds, 700c wheel, men's frame Used , but bike is in great condition. A few small wear and tear blemishes. Really fun, easy and light bike to ride. 700c closely matched 28”. Comes with cover. No bike lock included. Details - •Schwinn aluminum dual sport frame with Schwinn suspension fork is designed for versatile riding. •Microshift 21-speed twist shifters with Shimano rear derailleur provides precise gear changes. •Alloy V-brakes deliver sure stopping power. •Alloy double wall rims offer lightweight durability, while multi-use tires provide plenty of grip on or off road. •700c wheel size fits riders 5’4” to 6’2” in height.