Bombtrack Audax Al Rd-m665m
Matt Black
Bombtrack Audax Al Rd-m665m
gravel bike, aluminium frame, 650b / 27.5" wheels, 1×11 drivetrain, entry level equipment
Key specs
- Model year
- 2024
- Weight
- 10.4 kg
- Frame
- Aluminium
- Wheelset
- 650b / 27.5" · WTB ST i21 rims, Bombtrack Arc hubs, 32 spokes
6061-T6 double-butted aluminium
WTB ST i21 double-wall, TCS 2.0, 32 spokes; Bombtrack Arc sealed hubs
- Drivetrain
- 1×11
- Groupset
- Microshift 11-speed, RD-M6655
- Brake model
- TRP Spyre C, Microshift SB-M110 levers
- Seatpost
- Rigid · BOMBTRACK BEECH aluminium seatpost, 27.2 mm x 400 mm
Shifting: Microshift 11-speed; Rear derailleur: Microshift RD-M6655
Levers: Microshift SB-M110 dual-control, mechanical; Calipers: TRP Spyre C, flat-mount
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, rather nimble, entry-level equipment. »
EasyDemanding
As at ease on rough ground as most other gravel bikes.
NimbleStable
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).
Audax Al Rd-m665mother gravel bikes
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
Through-axles: 12 x 100 mm (front), 12 x 142 mm (rear)
T47 bottom bracket shell (86.5 mm)
Drivetrain
- Groupset brand
- microSHIFT
- Groupset
- Microshift 11-speed, RD-M6655
- Shifting
- Mechanical
- Chainrings
- 1
- Gears at the back
- 11
- Chainring teeth
- Bombtrack Lyer forged aluminium, 30 mm spindle
- Cassette
- Microshift CS-HG113, 11-46T
- Rear derailleur
- MICROSHIFT RD-M665M, clutch, medium cage
- Shifters
- MICROSHIFT SB-M110 DUAL CONTROL LEVER 1 x 11
Microshift RD-M6655
Shifting: Microshift 11-speed; Rear derailleur: Microshift RD-M6655
MICROSHIFT RD-M665M, clutch, medium cage MICROSHIFT SB-M110 DUAL CONTROL LEVER 1 x 11
Bombtrack Lyer forged aluminium, direct mount, 30 mm spindle
Cassette: Microshift CS-HG113, 11-46T
Brakes
- Brakes
- Mechanical disc
- Brake model
- TRP Spyre C, Microshift SB-M110 levers
- Front rotor
- 160 mm
- Rear rotor
- 160 mm
TRP Spyre C, flat-mount, mechanical disc
Levers: Microshift SB-M110 dual-control, mechanical; Calipers: TRP Spyre C, flat-mount
Wheels and tyres
- Wheel size
- 650b / 27.5"
- Wheelset
- WTB ST i21 rims, Bombtrack Arc hubs, 32 spokes
- Rims
- Aluminium
- Tyres
- WTB Horizon 47-584
- Tyre width fitted
- 47 mm
WTB Horizon 47-584
WTB ST i21 double-wall, TCS 2.0, 32 spokes; Bombtrack Arc sealed hubs
Tyres: WTB Horizon 47-584
Cockpit and seatpost
- Seatpost
- Rigid
- Handlebar
- BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
- Stem
- BOMBTRACK ROAM forged aluminium stem, -7°
- Seatpost model
- BOMBTRACK BEECH aluminium seatpost, 27.2 mm x 400 mm
Weight
- Weight
- 10.4 kg
- Weighed in size
- M
- Max total weight
- 120 kg
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
- 1,021 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 Rd-m665m 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) | 991 | 1,000 | 1,021 | 1,041 | 1,059 |
| Front centre (mm) | 581 | 590 | 610 | 630 | 647 |
| 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) | 62 | 56 | 56 | 56 | 56 |
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 11-speed, RD-M6655
- Weight: 10.4 kg
Frequently asked questions
How wide a tyre fits the Bombtrack Audax Al Rd-m665m?
Up to 50 mm, according to the brand.
Can the Bombtrack Audax Al Rd-m665m take mudguards?
Yes: the brand lists mudguard mounts.