2022 Bombtrack Bicycle Company Hook EXT Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
554mm
573mm
589mm
608mm
627mm
Reach
365mm
374mm
387mm
396mm
409mm
Stack to Reach Ratio
1.52:1
1.53:1
1.52:1
1.54:1
1.53:1
Seat Tube Length, C-T
460mm
500mm
530mm
570mm
600mm
Top Tube Length, Effective/Horizontal HT Top
519mm
533mm
556mm
570mm
595mm
Top Tube Slope
12.8deg
10.2deg
8.5deg
6.2deg
5deg
Head Tube Angle
71.5deg
71.5deg
72deg
72deg
72deg
Seat Tube Angle
74.5deg
74.5deg
74deg
74deg
74deg
Head Tube Length
110mm
130mm
150mm
170mm
190mm
Bottom Bracket Drop
75mm
75mm
70mm
70mm
70mm
Bottom Bracket Height
267.8mm
267.8mm
291.8mm
291.8mm
291.8mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
418.3mm
418.3mm
419.2mm
419.2mm
419.2mm
Front-Center
581mm
596mm
610mm
625mm
645mm
Front-Center Horizontal
576.7mm
591.7mm
605.8mm
620.8mm
640.8mm
Wheelbase
995mm
1010mm
1025mm
1040mm
1060mm
Fork Offset/Rake
48mm
48mm
48mm
48mm
48mm
Fork Length (Axle-To-Crown)
398mm
398mm
398mm
398mm
398mm
Trail
64.1mm
mid/​neutral
64.1mm
mid/​neutral
67.1mm
high
67.1mm
high
67.1mm
high
Mechanical Trail
60.8mm
60.8mm
63.8mm
63.8mm
63.8mm
Wheel Flop
19.3mm
19.3mm
19.7mm
19.7mm
19.7mm
Standover Height
748mm
776mm
803mm
831mm
855mm
Tire to Pedal Spindle
73.2mm
165 mm cranks
83.2mm
170 mm cranks
78.2mm
170 mm cranks
88.2mm
175 mm cranks
108.2mm
175 mm cranks
Pedal Spindle to Ground Clearance
102.8mm
165 mm cranks
97.8mm
170 mm cranks
121.8mm
170 mm cranks
116.8mm
175 mm cranks
116.8mm
175 mm cranks

Base Build

XS
S
M
L
XL
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2in
2in
2in
2in
2in
Tire Width Max
52mm
52mm
52mm
52mm
52mm
Tire Outer Diameter
685.6mm
685.6mm
723.6mm
723.6mm
723.6mm
Bike Length with Tires
1680.6mm
1695.6mm
1748.6mm
1763.6mm
1783.6mm
Crank Length
165mm
170mm
170mm
175mm
175mm
Handlebar Width
400mm
420mm
420mm
440mm
440mm
Stem Length
80mm
80mm
90mm
100mm
100mm
Stem Angle
-7deg
-7deg
-7deg
-7deg
-7deg

Published Sizing Recommendations

Height
150 cm
to
161 cm
160 cm
to
171 cm
170 cm
to
181 cm
179 cm
to
190 cm
188 cm
to
199 cm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
All-road/Gravel
Source:https://www.bombtrack.com/complete-bikes/hook-ext