the Audax AL

A modern touring bike or an audacious audax machine.

"Suited to mixed riding, it reflects the real habits of many cyclists, rather than the smooth and repetitive terrain of televised road racing."




  • * Lightweight aluminum frame with heavily hydro formed tube profiles and T47 bottom bracket.
  • * Full carbon fork with bottle cage mounts.
  • * Ovalized toptube and low seatstays for supreme comfort.
  • * Oversized downtube for optimized power transfer and steering precision.
  • * Toptube bag direct mounts, triple cage mount on downtube for optimized bottle position, bottle cage mounts underneath the downtube and on the seattube.
  • * Front derailleur compatible.
  • * 12 mm through axles front and rear.
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  • SPECIFICATION

    Color Glossy Sky Blue
    Frame 6061-T6 double butted aluminium, TA, fender mounts, 86.5 mm T47 BB shell
    Fork Full carbon, TA, 1.1/2'' - 1.1/8'', with fender / cage mounts
    Headset Sealed integrated aheadset, 1.1/2'' - 1.1/8''
    Seat clamp BOMBTRACK ORIGIN forged aluminium seat clamp, 31.8 mm
    Weight frameset 1810 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.) IS42 / 28.6 | IS52 / 40
    Fork Max Tire Clearance w/o fender 650B x 50C / 700C x 35C
    Frame Max Tire Clearance w/o fender 650B x 50C / 700C x 35C
    Maximum chainring clearance 1x 42 T with 45 mm chainline
    Maximum chainring clearance 2x 50 / 34 T with 43.5 mm chainline
    Seat Post Diameter 27.2 mm
    Seat clamp diameter 31.8 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-018
    ISO testing standard Road

  • GEOMETRY FRAME

    Bike Size XS S M L XL
    Wheel size 650B 650B 650B 650B 650B
    Seat Tube Length 470 500 530 560 590
    Horizontal TT length 505 527 551 569 592
    Seat Angle 75.0° 74.5° 74.0° 74.0° 73.5°
    Head Angle 71.0° 72.0° 72.0° 72.0° 72.0°
    Headtube Length 100 120 150 180 205
    BB Drop 70 68 68 65 65
    Chainstay Length 420 420 420 420 420
    Fork Offset 53 53 53 53 53
    Trail 62 56 56 56 56
    Wheelbase Length 991 1000 1021 1041 1059
    Standover 728 754 782 812 838
    Reach 368 379 390 401 411
    Stack 512 533 561 587 611
    Front Center 581 590 610 630 647
    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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