Size medium. Fully stocked with the original Shimano Ultegra di2 12 speed electronic shifting components and Shimano Ultegra hydraulic disc brakes. Has Mavic Cosmic SL 45 wheelset with Continental 5000 tires that are brand new. The overall bike has about 300 miles on it beautiful condition as you can see in the photos. Very very sweet setup. It also has to upgraded one piece handlebar on it . Have original receipt of course. Paid over $6,500 for it 5 months ago. Just moved on to another bike and I have to sell this one.