Runometry is growing: bikes are here, catalogue under construction, always at the best price.

Skip to content

Bombtrack Audax Evo Grx610

Mid-rangeSteel650b / 27.5"
Bombtrack Audax Evo Grx610, side view
Blue

Bombtrack Audax Evo Grx610

gravel bike, steel frame, 650b / 27.5" wheels, 2×12 drivetrain, mid-range equipment

Key specs

Model year
2025
Weight
10.5 kg
Frame
Steel
Wheelset
650b / 27.5" · Seido Sinus i25 rims, Seido Tau hubs, 32 spokes
Drivetrain
2×12
Groupset
Shimano GRX 610 2x12
Brake model
Shimano GRX BR-RX400 hydraulic
Seatpost
Rigid · Ritchey Comp aluminium seatpost 27.2 mm x 400 mm

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, average equipment. »

Terrain
1 bike7 bikes3 bikes1 bike3 bikes1 bike2 bikes4 bikes · Audax Evo Grx6104 bikes1 bike2 bikes3 bikes4 bikes
EasyDemanding

As at ease on rough ground as most other gravel bikes.

Handling
5 bikes1 bike1 bike2 bikes1 bike1 bike · Audax Evo Grx6102 bikes1 bike2 bikes1 bike2 bikes4 bikes1 bike3 bikes3 bikes1 bike
NimbleStable

Between nimble and stable, like 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: mid-range for its category.

Equipment score: 40/100 (frame, groupset, wheels, suspension).

Audax Evo Grx610other 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
Steel
Fork
Carbon
Frame weight
2,410 g
Max tyre clearance
47 mm
Axles
Thru-axles
Bottom bracket
T47, 86.5 mm shell
Cable routing
Internal
Seatpost diameter
27.2 mm

Drivetrain

Groupset brand
Shimano
Groupset
Shimano GRX 610 2x12
Shifting
Mechanical
Chainrings
2
Gears at the back
12
Chainring teeth
Shimano GRX FC-RX810-2, 24 mm spindle
Cassette
Shimano 105 CS-HG710-12, 11-36T
Rear derailleur
Shimano GRX RD-RX820
Shifters
Shimano GRX ST-RX610 STI 2 x 12

Brakes

Brakes
Hydraulic disc
Brake model
Shimano GRX BR-RX400 hydraulic
Front rotor
160 mm
Rear rotor
160 mm

Wheels and tyres

Wheel size
650b / 27.5"
Wheelset
Seido Sinus i25 rims, Seido Tau hubs, 32 spokes
Rims
Aluminium
Tubeless ready
yes
Tyres
WTB Byway TCS 47-584 front, WTB Horizon TCS 47-584 rear
Tyre width fitted
47 mm

Cockpit and seatpost

Seatpost
Rigid
Handlebar
Ritchey Road Comp Streem III drop bar, 31.8 mm, 5° backsweep
Stem
Ritchey Comp 4-Axis 44 forged aluminium stem, -6°
Seatpost model
Ritchey Comp aluminium seatpost 27.2 mm x 400 mm

Weight

Weight
10.5 kg
Weighed in size
M

Mounts and storage

Rack mounts
yes
Mudguard mounts
yes

Geometry

Geometry size
M
Stack
571 mm
Reach
383 mm
Head angle
72 °
Seat angle
74 °
Chainstays
420 mm
Wheelbase
1,018 mm
Bottom bracket drop
68 mm

Spec sheets read at: bombtrack.com

Geometry

5 sizes: XS, S, M, L, XL.

Geometry of the Audax Evo Grx610 per size
Geometry of the Audax Evo Grx610 per size
Reach (mm) 361373383396408
Stack (mm) 534553571590609
Top tube (effective) (mm) 509526547565588
Seat tube (mm) 470490520550580
Head tube (mm) 110130150170190
Head angle (°) 71.571.5727272
Seat angle (°) 74.574.5747473.5
Chainstays (mm) 420420420420420
Wheelbase (mm) 9871,0051,0181,0371,055
Front centre (mm) 577595607626643
Standover (mm) 746765794818841
BB drop (mm) 6868686565
Fork offset (mm) 5353535353
Trail (mm) 5959565656

The range

Its comparisons

Comparable gravel bikes

See all

Who is it for?

The sports the brand announces, and the features that go with them.

  • Cycling

    • Max tyre clearance: 47 mm
    • Groupset: Shimano GRX 610 2x12
    • Weight: 10.5 kg

Frequently asked questions

How wide a tyre fits the Bombtrack Audax Evo Grx610?

Up to 47 mm, according to the brand.

Can the Bombtrack Audax Evo Grx610 take a rack?

Yes: the brand lists rack mounts, bikepacking welcome.

Can the Bombtrack Audax Evo Grx610 take mudguards?

Yes: the brand lists mudguard mounts.

Specs updated on Nov 4, 2026Some values come from third-party spec databases, cross-checked with the brand where it publishes them.Report an error