Bombtrack Audax 650B – Sage Green


Bombtrack Audax 650B – Sage Green


Able to accommodate multiple-wheel sizes, along with myriad luggage configurations, it’s ready to be the centrepiece in any number of different builds.

The heart of a light and versatile expedition bike, and the endpoint of our Hook platform. This titanium version retains the vigour of our hooligan tourer and distils it into a light and comfortable frame.



A slender steel frame, light carbon fork, all the mounts you could wish for, and a high-spec Shimano groupset. The perfect companion on any number of adventures, hydraulic disc brakes and a sub-compact crankset tailor the Audax to audacious long-distance riding. Mixing WTB Horizon and Byway tyres, it’s fast-rolling, yet proficient on broken surfaces. A timeless performer, subtle tweaks like the inclusion of an integrated rear light mount for 2021 help keep it bang up to date. Topped off with a Ritchey finishing kit, it’s happy going as fast or as far as you dare push it.

Product Highlights:

  • Columbus Cromor frame with tapered head tube, rack and fender mounts, through axles, T47 bottom bracket and rear light mount. 
  • Triple cage mount on downtube for optimized bottle position, bottle cage mounts underneath the downtube and on the seattube.
  • Full carbon fork with bottle cage mounts.
  • Shimano 105 R7020 2 x 11 hydraulic group with Ultegra RD-RX800 rear derailleur.
  • KMC X11 EPT Anti Rust Chain.
  • Bombtrack Lyer 30 mm crank with direct mount 2x spider and 32 / 48 T subcompact chainrings.
  • Bombtrack Tau 12 mm through axle hubs.
  • Tubeless ready WTB STi25 650B rims with tubeless ready WTB Byway front tire and WTB Horizon rear tire.

Audax Specifications:

Color Glossy Sage Green
Frame COLUMBUS CROMOR double butted, TA, rack / fender mounts, internal light cable routing, rear light mount, 86.5 mm T47 BB shell
Fork Full carbon, TA, 1.1/2” – 1.1/8”, with fender / cage mounts
Handlebar RITCHEY COMP STREEM III drop bar, 31.8 mm, 5° backsweep
Stem RITCHEY COMP 4-AXIS 44 forged aluminium stem, -6°
Headset Sealed external aheadset, 1.1/2” – 1.1/8”
Levers SHIMANO 105 ST-R7020 STI hydraulic
Shifter SHIMANO 105 ST-R7020 STI 2 x 11
Brakes SHIMANO 105 BR-R7070 flat-mount hydraulic disc brakes with 160 mm rotors
Crankset BOMBTRACK LYER forged aluminium crank, direct mount interface (SRAM compatible), 30 mm spindle
BB BOMBTRACK T47 internal sealed BB for 30 mm spindle
Chain KMC X11 EPT Anti Rust chain, 1/2” x 11/128”, 114L
Chainring aluminium, subcompact, 48 / 32 T, direct mount spider
Cassette SHIMANO 105 CS-R7000 11-speed, 11 – 34 T
Front derailleur SHIMANO 105 FD-R7000
Rear derailleur SHIMANO ULTEGRA RD-RX800-GS, clutch, medium cage
Front hub BOMBTRACK TAU sealed disc hub, 12 x 100 mm thru-axle
Rear hub BOMBTRACK TAU sealed disc hub, 11-speed, 12 x 142 mm thru-axle
Front rim WTB ST i25 double wall, TCS 2.0, 32h
Rear rim WTB ST i25 double wall, TCS 2.0, 32h
Saddle BOMBTRACK COMP saddle
Seat post RITCHEY COMP 2-BOLT aluminium seatpost 27.2 mm x 400 mm
Seat clamp BOMBTRACK ORIGIN forged aluminium seat clamp, 29.8 mm
Front tire WTB BYWAY TCS 650B x 47C, tubeless ready
Rear tire WTB HORIZON TCS 650B x 47C , tubeless ready
Weight 10.8 kg (size M)
Weight frameset 2410 g frame (size M, incl. TA, hanger)
530 g fork (300 mm steerer, incl. TA)
Maximum rider weight 120 kg incl. luggage
ASTM riding condition 2


Bombtrack Bikes

Bombtrack began as a niche brand of fixed-gear bikes and has now evolved to be substantially wider. A brand that sells bicycles suitable for all types of terrain. Bombtrack Gravel and Adventure Bikes like the Hook EXT and Beyond ADV are now available at several international bikepacking events.

Bombtrack The HOOK:

According to consumer and professional reports, the Bombtrack Hook is a great experience and satisfying to ride. This bike aims to be an all-rounder that performs well in both urban and off-road environments. The primary advantage of this bike is its adaptability.

Bombtrack Mountain Line: BEYOND+ & CALE

Bombtrack offers an ideal answer for even the most remote environment in the shape of appropriate mountain bikes capable of overcoming any challenge. Along with the BEYOND+, Bombtrack introduces the CALE, a trail bike with a contemporary trail configuration that excels over remote locations and on hilly terrain.

Bombtrack Audax:

This is one illuminating piece from Bombtrack. If you want to ride smoothly and fast in any environment without feeling the need to cover yourself in bodysuits from head to toe, this is the bike for you!

Additional information


47 cm, 49 cm, 52 cm, 55 cm, 58 cm


There are no reviews yet.

Be the first to review “Bombtrack Audax 650B – Sage Green”

Your email address will not be published. Required fields are marked *