
Bombtrack Audax Al Sword

Bombtrack Audax Al Sword
gravel bike, aluminium frame, 650b / 27.5" wheels, 1×10 drivetrain, entry level equipment
Key specs
- Model year
- 2025
- Weight
- 10.7 kg
- Frame
- Aluminium
- Wheelset
- 650b / 27.5" · WTB ST i21 rims, Bombtrack Arc hubs, 32 holes
6061-T6 double-butted aluminium
WTB ST i21 double-wall rims, TCS 2.0, 32 holes; Bombtrack Arc sealed hubs
- Drivetrain
- 1×10
- Groupset
- Microshift Sword 1x10
- Brake model
- TRP Spyre C flat-mount
- Seatpost
- Rigid · Seido Yew Offset 27.2 mm x 355 mm
Groupset: Microshift Sword (shifters, rear derailleur, cassette)
TRP Spyre C flat-mount mechanical disc brakes
Character
The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.
« Gravel bike all-round, very nimble, entry-level equipment. »
As at ease on rough ground as most other gravel bikes.
Livelier in the turns than most other gravel bikes.
Gearing
Not enough data yet for this chart: it fills in as soon as the specs are in.
Equipment level
Not enough data yet for this chart: it fills in as soon as the specs are in.
Equipment: entry level for its category.
Equipment score: 39/100 (frame, groupset, wheels, suspension).
Spec sheet
Every value is read on the brand’s page; hover it to see its source and date.
Ride type
- Ride type
- Being updated
- Suspension
- Rigid
Frame and fork
- Frame
- Aluminium
- Fork
- Carbon
- Frame weight
- 1,810 g
- Max tyre clearance
- 50 mm
- Axles
- Thru-axles
- Bottom bracket
- T47, 86.5 mm shell
- Seatpost diameter
- 27.2 mm
6061-T6 double-butted aluminium
Fork: Full carbon
12 x 100 mm front and 12 x 142 mm rear through axles
86.5 mm T47 bottom bracket shell
Drivetrain
- Groupset brand
- microSHIFT
- Groupset
- Microshift Sword 1x10
- Shifting
- Mechanical
- Chainrings
- 1
- Gears at the back
- 10
- Chainring teeth
- Bombtrack Lyer forged aluminium crank, direct mount interface, (SRAM compatible),30 mm spindle
- Cassette
- Microshift CS-H105, 11-48T
- Rear derailleur
- Microshift Sword RD-G7025L, clutch, medium cage
- Shifters
- Microshift Sword SB-G7000 dual control lever 1 x 10
Microshift Sword
Groupset: Microshift Sword (shifters, rear derailleur, cassette)
Microshift Sword RD-G7025L, clutch, medium cage Microshift Sword SB-G7000 dual control lever 1 x 10
Cassette: Microshift CS-H105, 11-48T
Brakes
- Brakes
- Mechanical disc
- Brake model
- TRP Spyre C flat-mount
- Front rotor
- 160 mm
- Rear rotor
- 160 mm
TRP Spyre C flat-mount mechanical disc brakes
TRP Spyre C flat-mount mechanical disc brakes
Wheels and tyres
- Wheel size
- 650b / 27.5"
- Wheelset
- WTB ST i21 rims, Bombtrack Arc hubs, 32 holes
- Rims
- Aluminium
- Tyres
- WTB Horizon 47-584
- Tyre width fitted
- 47 mm
WTB Horizon 47-584 (650B x 47C)
WTB ST i21 double-wall rims, TCS 2.0, 32 holes; Bombtrack Arc sealed hubs
Tyres: WTB Horizon 47-584 (650B x 47C)
Cockpit and seatpost
- Seatpost
- Rigid
- Handlebar
- Seido CX-10 drop bar, 31.8 mm, 10° flare
- Stem
- Seido Meander forged aluminium stem, -6°
- Seatpost model
- Seido Yew Offset 27.2 mm x 355 mm
Weight
- Weight
- 10.7 kg
- Weighed in size
- M
size M
Mounts and storage
- Rack mounts
- Being updated
- Mudguard mounts
- yes
Geometry
- Geometry size
- M
- Stack
- 561 mm
- Reach
- 390 mm
- Head angle
- 72 °
- Seat angle
- 74 °
- Chainstays
- 420 mm
- Wheelbase
- 1,019 mm
- Bottom bracket drop
- 68 mm
Spec sheets read at: bombtrack.com
Geometry
5 sizes: XS, S, M, L, XL.
| Geometry of the Audax Al Sword per size | |||||
|---|---|---|---|---|---|
| Reach (mm) | 368 | 379 | 390 | 401 | 411 |
| Stack (mm) | 512 | 533 | 561 | 587 | 611 |
| Top tube (effective) (mm) | 505 | 527 | 551 | 569 | 592 |
| Seat tube (mm) | 470 | 500 | 530 | 560 | 590 |
| Head tube (mm) | 100 | 120 | 150 | 180 | 205 |
| Head angle (°) | 71 | 72 | 72 | 72 | 72 |
| Seat angle (°) | 75 | 74.5 | 74 | 74 | 73.5 |
| Chainstays (mm) | 420 | 420 | 420 | 420 | 420 |
| Wheelbase (mm) | 989 | 998 | 1,019 | 1,039 | 1,057 |
| Front centre (mm) | 579 | 588 | 608 | 628 | 645 |
| Standover (mm) | 728 | 754 | 782 | 812 | 838 |
| BB drop (mm) | 70 | 68 | 68 | 65 | 65 |
| Fork offset (mm) | 53 | 53 | 53 | 53 | 53 |
| Trail (mm) | 64 | 58 | 58 | 58 | 58 |
The range
Its comparisons
Comparable gravel bikes
Who is it for?
The sports the brand announces, and the features that go with them.
Cycling
- Max tyre clearance: 50 mm
- Groupset: Microshift Sword 1x10
- Weight: 10.7 kg
Frequently asked questions
How wide a tyre fits the Bombtrack Audax Al Sword?
Up to 50 mm, according to the brand.
Can the Bombtrack Audax Al Sword take mudguards?
Yes: the brand lists mudguard mounts.



