Geometry Line Drawing

Size X-Small Small Medium Large X-Large
Recommended Rider Height 157 - 168cm 168 - 175cm 175 - 183cm 183 - 190cm 190cm - UP
A. Toptube Effective 565mm 580mm 600mm 620mm 640mm
B. Seat Tube Length 407mm 407mm 457mm 508mm 534mm
C. Headtube Angle 69.3° 69.3° 69.3° 69.3° 69.3°
D. Seat Tube Angle 73.5° 73.5° 73.5° 73.5° 73.5°
E. BB Drop 45mm 45mm 45mm 45mm 45mm
F. Chainstay Length 437mm 437mm 437mm 437mm 437mm
G. Headtube Length 100mm 100mm 110mm 120mm 120mm
H. Fork Length 506mm 506mm 506mm 506mm 506mm
J. Fork Offset 51mm 51mm 51mm 51mm 51mm
K. Wheelbase 1086.4mm 1101.4mm 1121.4mm 1142.2mm 1162.9mm
M. Stack 597.4mm 597.4mm 606.8mm 616.8mm 616.8mm
N. Reach 388.1mm 403.0mm 420.3mm 437.6mm 457.5mm
P. Standover 714.9mm 720.4mm 746.4mm 775.2mm 782.2mm

Measurements based on:

  • an unsprung bike (no sag)
  • an average 100mm suspension fork
  • a 29 x 2.25" tire measuring 740mm in diameter
  • standover (P) measured vertically from the top of the toptube/brace intersection