Geometry for 17.5″ fortitude race…
Frame size 17.5″
1 Seat Tube 445mm
2 Top Tube (Horizontal) 595mm
3 Headtube 105mm
4 Head Angle 69.5°
5 Seat Angle 74°
6 Chain Stay 435mm
7 BB Drop 65mm
Stem Length 70mm
Fork Length (A-C) 445mm
And for 17.5″ Longitude…
FRAME SIZES 17.5″
1 – Horizontal Toptube Length (mm) 611
2 – Seat Angle (°) 72.5
3 – Headtube Length (mm) 135
4 – Head Angle (°) 68
5 – Seat Tube Length (C-T, mm) 445
6 – BB Drop (mm) 70
7 – Chainstay Length (mm) 458
8 – Fork Offset (mm) 50
9 – Trail (mm) 98
10 – Wheelbase Length (mm) 1134
11 – Standover (mm) 792
12 – Stack (mm) 604
13 – Reach (mm) 420
Longitude is much longer & slacker, taller, larger bb drop, has bigger tyre clearances…
