Size: 50cm (Fits someone from about 5′-1″ to 5′-5″ ish) Below is a complete list of the top shelf build. No expense was once spared building this bike up in Feb. 2017. It’s in a position for countless training miles, racing miles. Race wheels and Power meter included!!!!! The retail dollar value in this bike is off the chart from the Quarq powermeter, Zipp Race Wheelset, Zipp Handlebar, Dura-Ace all over the place, and the like. Full Shimano Dura-Ace Di2 Electronic Shifting *Shifting at both the aero extensions and on the brakes **Dura-Ace Brakes** Quarq Carbon Power Meter; 170mm Crank Arms, 53/39 gearing Shimano RS Training Wheels w/ Specialized Roubaix tires Race Wheels Included: ***Zipp 808 Firecrest Clincher Front Wheel w/ Specialized S-Works Turbo Tire*** ***Zipp Super 9 Carbon Clincher Disc Rear Wheel w/ Specialized S-Works Turbo Tire*** Zipp Vuka Aero Carbon Handlebar and Extensions Specialized Power Saddle Built in storage for all of your spare tubes and tools out back and sleek aero vento box in advance for your food. Carbon Waterbottle cages Garmin Mount Shipping covered in the continental USA!!