With generous tire clearance front and back (700 x 45mm or 650b x 2.1mm), mounts for racks, fenders, and plenty of bottle cages the Checkpoint is ready for adventure. Fit Range 5'6" - 5'9" A. Effective Top Tube 570 mm B. Seat Tube 540 mm C. Seat Tube Angle 73.2° D. Head Tube Angle 71.8° E. Head Tube 125 mm F. Stack 571 mm G. Reach 403 mm H. Standover Height 789 mm.