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
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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/