9
Reach:
horizontal distance from BB center to HT center
Stack:
vertical distance from BB center to HT center
ST:
seat tube lenght (BB center to ST top)
TT:
top tube length (actual)
ETT:
top tube lenght (effective)
CS:
chain stay length
HT:
head tube length
HT angle:
head tube angle
EST angle:
seat tube angle (effective)
BB drop:
bottom bracket height (BB center to WB)
WB:
wheel base
THUNDERBIRD
CF PRO
THUNDERBIRD
CF EVO
Size
Medium
Large
Reach
455
480
Stack
633
633
Seat tube
437
452
Eff top tube
613
638
Chainstay
435
435
Head tube
110
110
HT angle
64
64
ST angle
76
76
BB drop
27
27
Wheel base
1237
1262
Standover
760
760
Size
Medium
Large
Reach
455
480
Stack
633
633
Seat tube
437
452
Eff top tube
613
638
Chainstay
435
435
Head tube
110
110
HT angle
64
64
ST angle
76
76
BB drop
27
27
Wheel base
1237
1262
Standover
760
760
4. GEOMETRY