Designed to handle the rigors of Paris-Roubaix, this bike can hold its own in the group ride. Fit Range 5'7" - 5'10" A. Effective Top Tube 543 mm B. Seat Tube 540 mm C. Seat Tube Angle 73.5° D. Head Tube Angle 72° E. Head Tube 136 mm F. Stack 555 mm G. Reach 378 mm H. Standover Height 773 mm.