2021 Bombtrack Bicycle Company Audax AL S

Build

650B/27.5 in × 47 mm

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
533mm
Reach
379mm
Stack to Reach Ratio
1.41:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal Center
527mm
Top Tube Slope
5.7deg
Head Tube Angle
72deg
Seat Tube Angle
74.5deg
Head Tube Length
120mm
Bottom Bracket Drop
68mm
Bottom Bracket Height
271mm
Chainstay Length
420mm
Chainstay Length Horizontal
414.5mm
Front-Center
589.5mm
Front-Center Horizontal
590mm
Wheelbase
1000mm
Fork Offset/Rake
53mm
Fork Length (Axle-To-Crown)
385mm
Trail
54.4mm
mid/​neutral
Mechanical Trail
51.8mm
Wheel Flop
16mm
Standover Height
754mm
Tire to Pedal Spindle Distance
With 170 mm cranks
80.5mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
101mm

AL Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
47mm
Tire Outer Diameter
678mm
Bike Length with Tires
1678mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://bombtrack.com/2021-audax-al/