Size XS SM MD LG XL A. Effective Top Tube 520 540 565 590 620 B. Stand Over 690 732 778 821 859 C. Reach 350 364 368 385 409 D. Stack 594 615 643 671 690 E. Total Seat Tube Length 355.6 406.4 457.2 508 558.8 F. Headtube Length 90 110 140 170 190 G. Headtube Angle 68.5 69 69 69 69 H. Seat Tube Angle 74 74 73 73 73 I. BB Drop 70 70 70 70 70 K. Chainstay Length 445–462 445–462 445–462 445–462 445–462 L. Fork Length Axle to Crown 480 480 480 480 480 M. Fork Offset 51 51 51 51 51 N. Wheelbase 1050–1067 1067–1084 1083–1100 1110–1127 1141–1158 Crank Arm Length 170 170 175 175 175 Handlebar Width 42cm 44cm 44cm 46cm 46cm Recommended Rider Height 150cm–160cm 160cm–175cm 173cm–183cm 180cm–191cm 188cm–UP Stem Length 60 70 70 80 80 Measurements based on: A Salsa Firestarter Carbon fork which is equivalent to an average 100mm fork at 20% sag A 29 x 2.25" tire measuring 746mm in diameter Standover (P) measured vertically to top of toptube from a position 50mm forward of BB center