2024 Bombtrack Bicycle Company Audax Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | S | M | L | XL | |
Stack | 534mm | 553mm | 553mm | 574mm | 590mm | 609mm |
Reach | 361mm | 373mm | 373mm | 384mm | 396mm | 408mm |
Stack to Reach Ratio | 1.48:1 | 1.48:1 | 1.48:1 | 1.49:1 | 1.49:1 | 1.49:1 |
Seat Tube Length, Unknown | 470mm | 490mm | 490mm | 520mm | 550mm | 580mm |
Top Tube Length, Effective/Horizontal Unknown | 509mm | 526mm | 526mm | 548mm | 565mm | 588mm |
Top Tube Slope | 9.5deg | 9.1deg | 9.1deg | 8deg | 6.4deg | 5.3deg |
Head Tube Angle | 71.5deg | 71.5deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74.5deg | 74deg | 74deg | 73.5deg |
Head Tube Length | 110mm | 130mm | 130mm | 150mm | 170mm | 190mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 68mm | 65mm | 65mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm | 274mm | 274mm |
Chainstay Length | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
Chainstay Length Horizontal | 414.5mm | 414.5mm | 414.5mm | 414.5mm | 414.9mm | 414.9mm |
Front-Center | 577mm | 595mm | 595mm | 607mm | 626mm | 643mm |
Front-Center Horizontal | 572.5mm | 590.5mm | 590.5mm | 603.5mm | 622.1mm | 640.1mm |
Wheelbase | 987mm | 1005mm | 1005mm | 1018mm | 1037mm | 1055mm |
Fork Offset/Rake | 53mm | 53mm | 53mm | 53mm | 53mm | 53mm |
Fork Length (Axle-To-Crown) | 385mm | — | 385mm | 385mm | 385mm | 385mm |
Trail | 57.5mm mid/neutral | 57.5mm mid/neutral | 57.5mm mid/neutral | 54.4mm mid/neutral | 54.4mm mid/neutral | 54.4mm mid/neutral |
Mechanical Trail | 54.6mm | 54.6mm | 54.6mm | 51.8mm | 51.8mm | 51.8mm |
Wheel Flop | 17.3mm | 17.3mm | 17.3mm | 16mm | 16mm | 16mm |
Standover Height | 746mm | 765mm | 765mm | 793mm | 818mm | 841mm |
Tire to Pedal Spindle | 68mm 170 mm cranks | 86mm 170 mm cranks | 86mm 170 mm cranks | 98mm 170 mm cranks | 117mm 170 mm cranks | 134mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 104mm 170 mm cranks | 104mm 170 mm cranks |
Base Build
XS | S | 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 | 650B/27.5 in 584 mm BSD |
Tire Width | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1665mm | 1683mm | 1683mm | 1696mm | 1715mm | 1733mm |
Crank Length | — | 170mm | — | — | — | — |
Published Sizing Recommendations
Height | — | 1600 cm to 1710 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 ScaleCategory Trend
All-road/GravelSource:https://www.bombtrack.com/complete-bikes/audax, https://www.bombtrack.com/my24/complete-bikes/audax