the Audax

Head out with a rough plan and know the Audax will see you to the end, no matter what you might find on the way.

"Rolling smoothly over a myriad of different terrain, the Audax is fast, yet won’t restrict you to the tarmac."




  • * Columbus Cromor frame with tapered head tube, rack and fender mounts, through axles and T47 bottom bracket.
  • * Revised head tube and bottom bracket design.
  • * Integrated light cable routing 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.
  • * Front derailleur compatible.
  • * 12 mm through axles front and rear.
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  • SPECIFICATION

    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
    Headset Sealed external aheadset, 1.1/2'' - 1.1/8''
    Seat clamp BOMBTRACK ORIGIN forged aluminium seat clamp, 29.8 mm
    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

  • BUILD INFO

    BB Standard T47 - 86.5 mm shell width
    Headset Standard (S.H.I.S.) EC34 / 28.6 | EC44 / 40
    Fork Max Tire Clearance w/o fender 650B x 50C / 700C x 35C
    Frame Max Tire Clearance w/o fender 650B x 47C / 700C x 35C
    Maximum chainring clearance 1x 44 T with 45 mm chainline
    Maximum chainring clearance 2x 53 / 39 T with 43.5 mm chainline
    Seat Post Diameter 27.2 mm
    Seat clamp diameter 29.8 mm
    Brake mount front FM
    Brake mount rear FM
    Maximum rotor clearance front 160 mm
    Maximum rotor clearance rear 160 mm
    Front through axle 12 mm x 100 mm, 1.5 TPI
    Rear through axle 12 mm x 142 mm, 1.5 TPI
    Derailleur hanger BT-DH-008
    ISO testing standard Road

  • GEOMETRY FRAME

    Bike Size XS S M L XL
    Wheel size 650B 650B 650B 650B 650B
    Seat Tube Length 470 490 520 550 580
    Horizontal TT length 504 519 544 566 593
    Seat Angle 74.5° 74.5° 74.0° 74.0° 73.5°
    Head Angle 71.5° 71.5° 72.0° 72.0° 72.0°
    Headtube Length 105 125 145 170 195
    BB Drop 68 68 68 65 65
    Chainstay Length 420 420 420 420 420
    Fork Offset 53 53 53 53 53
    Trail 59 59 56 56 56
    Wheelbase Length 987 1005 1018 1037 1055
    Standover 746 765 793 818 841
    Reach 361 373 384 396 408
    Stack 534 553 574 590 609
    Front Center 577 595 607 626 643
    Axle to Crown 385 385 385 385 385
    Minimum rider height * 1500 1600 1700 1790 1880
    Maximum rider height * 1610 1710 1810 1900 1990

    * Our bike size recommendation generally represents a rough guideline for quickly narrowing down the sizes from which to choose based on the body height. Bike fitting is a complex topic and other measurements and factors have to be accounted for as well. Since no two human bodys are exactly the same it is not possible to give a 100% correct advice for everyone. Therefore BOMBTRACK cannot guarantee for the stated recommendations to be correct for every individual customer. The best way to work out the correct size is to consult a local BOMBTRACK dealer or a professional bike fitter and have them determine the needed size.

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