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 5'4" - 5'7" A. Effective Top Tube 536 mm B. Seat Tube 520 mm C. Seat Tube Angle 74° D. Head Tube Angle 71.6° E. Head Tube 107 mm F. Stack 549 mm G. Reach 379 mm H. Standover Height 749 mm.