You might just smash your PR's with the LOOK 675 Light. Fit Range 5’8” - 6’0” A. Effective Top Tube 554 mm B. Seat Tube 523 mm C. Seat Tube Angle 73.5° D. Head Tube Angle 72.5° E. Head Tube 172 mm F. Stack 567 mm G. Reach 386 mm H. Standover Height 810 mm.