2020 Bombtrack Bicycle Company Audax Base

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

Geometry

XS
S
M
L
XL
Stack
527mm
546mm
567mm
587mm
611mm
Reach
358mm
368mm
382mm
398mm
412mm
Stack to Reach Ratio
1.47:1
1.48:1
1.48:1
1.47:1
1.48:1
Seat Tube Length, C-T
470mm
490mm
520mm
550mm
580mm
Top Tube Length, Effective/Horizontal Center
504mm
519mm
544mm
566mm
593mm
Top Tube Slope
8.7deg
8.4deg
7.3deg
6.1deg
5.4deg
Head Tube Angle
72deg
71.5deg
72deg
72deg
72deg
Seat Tube Angle
75deg
74.5deg
74deg
74deg
73.5deg
Head Tube Length
105mm
125mm
145mm
170mm
195mm
Bottom Bracket Drop
68mm
68mm
68mm
65mm
65mm
Bottom Bracket Height
271mm
271mm
271mm
274mm
274mm
Chainstay Length
420mm
420mm
420mm
420mm
420mm
Chainstay Length Horizontal
414.5mm
414.5mm
414.5mm
414.9mm
414.9mm
Front-Center
571.6mm
587.5mm
603.4mm
626.4mm
648.3mm
Front-Center Horizontal
572mm
587mm
603mm
626mm
648mm
Wheelbase
982mm
998mm
1014mm
1038mm
1060mm
Fork Offset/Rake
53mm
53mm
53mm
53mm
53mm
Fork Length (Axle-To-Crown)
385mm
385mm
385mm
385mm
385mm
Trail
54.4mm
mid/​neutral
57.5mm
mid/​neutral
54.4mm
mid/​neutral
54.4mm
mid/​neutral
54.4mm
mid/​neutral
Mechanical Trail
51.8mm
54.6mm
51.8mm
51.8mm
51.8mm
Wheel Flop
16mm
17.3mm
16mm
16mm
16mm
Standover Height
747mm
759mm
782mm
810mm
835mm
Tire to Pedal Spindle
62.6mm
170 mm cranks
78.5mm
170 mm cranks
94.4mm
170 mm cranks
117.4mm
170 mm cranks
139.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks
104mm
170 mm cranks
104mm
170 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
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
47mm
47mm
47mm
47mm
47mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1660mm
1676mm
1692mm
1716mm
1738mm

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://bombtrack.com/2020-audax/