Size 47. Despite the fact that Fits more like 51cm. Im 5’7, and had my more healthy order in line with my measurements. Bike is a cyclocross bike I put 32mm Conti 4 Seasons and was Road Bike. Bike is a one by drivetrain, Hyraulic Di2 shifter on right side shifts down and left side shifts up. Has 46T Chain Ring, Also included the 40T Chain Ring and cyclocross tires in the event you sought after to run as cyclocross bike. Bike came with 44cm handlebars, I changed to 40cm bars that were take off from a Jamis and a unique 3T stem. Bike has around 500 miles on it, and frame is flawless. One scratch on crank arm, which is pictured. Let me know you probably have any questions. Does not include pedals.