8
Size
Medium Large XLarge
Reach 450 480 505
Stack 635 635 635
Seat tube
450
480
490
Eff top tube
594
624
649
Chainstay 448
448 448
Head tube
120
120
120
HT angle
65
65
65
ST angle
77
77
77
BB drop
30
30
30
Wheel base
1235
1265
1290
Standover 825
825 825
4. GEOMETRY
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
Size
Small Medium Large XLarge
Reach
400 435 460 485
Stack
606 606 606 606
Seat tube
405
430
455
480
Eff top tube
552
587
612
637
Chainstay
429 429 429 429
Head tube
120
120
120
120
HT angle
65
65
65
65
ST angle
76
76
76
76
BB drop
14
14
14
14
Wheel base
1151
1186
1211
1236
Standover
790 790 790 790
ST
CS
WB
HT
ANGLE
ST
ANGLE
BB
REACH
STACK
ETT
TT
HT
BLACKBIRD
EVO 29” 2022
BLACKBIRD
INTRO 29” 2022
BLACKBIRD
EVO 27.5” 2022
BLACKBIRD
INTRO 27.5” 2022