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Bombtrack Bicycle Company Audax - 2018

Bombtrack Bicycle Company Audax
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Originally conceived as a more traditional road tourer the Audax has been transformed into a vision for modern endurance road riding. The starting point for the new direction was switching the wheel platform from 700c to the road-plus 650b. Thanks to the incredibly smooth rolling Hunt Adventure disc wheels used in combination with the WTB Horizon TCS tires the Audax just eats up the miles. For long distance riding, steel is arguably the best material for the job. Its natural resonance dampens road buzz and produces a ride so compliant that it’s more akin to floating than rolling. The geometry has been revised for a less touring and more sportive riding position. Such geometry required shorter chainstays whilst retaining tire and chainring clearance the result of these factors led to the development of our custom yoke, a standout feature on this incredible bike.


Frame COLUMBUS "Cromor" double butted tubing, tapered head tube, TA dropouts, replaceable hanger
Fork BT BIKES "EXT" full carbon, TA disc fork, 1.1/8"-1.1/2" tapered, with triple cage mounts
Headset FSA "No21/12/44" sealed a-headset, 1.1/8"-1.1/2
Tires WTB "Horizon" TCS, 650b x 47c folding
Crankset SHIMANO "105"
Bottom Bracket SHIMANO PF86
Chain KMC "X11EL-1" chain
Front Derailleur SHIMANO "105"
Rear Derailleur SHIMANO "105"
Cassette/Rear Cogs SHIMANO "105" 11-speed cassette, 11-28T
Shifters SHIMANO "105" 2x11 (integ. with lever)
Brake Levers SHIMANO "105"
Brakes TRP "Spyre C" flat-mount disc brakes with 160mm F / 140mm R rotors
Handlebars BT BIKES "CX-10" 6061-T6 butted alloy, 10° flared drop bar
Tape/Grips BT BIKES "TOUR" shock-proof bar tape
Stem BT BIKES "Origin" forged alloy stem, -7°
Saddle BT BIKES "Comp" rail saddle
Seat Post BT BIKES "612" alloy seatpost
Chainrings SHIMANO "105" Compact, 50/34T
Seat Clamp BT BIKES "Origin" forged alloy seatclamp
Rims HUNT "Adventure Sport" double wall asymmetric rim, TLC, i20, 28h
Front Hub HUNT "Adventure Sport" sealed hub, 6-bolt disc, 12x100mm Thru-axle
Rear Hub HUNT "Adventure Sport" sealed hub, 11-speed, 6-bolt disc, 12x142mm Thru-axle
Weight 10.4kg (size M)

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
Grey/Black / 53 4055822046190 1125200318 AUD17125313K
Grey/Black / 56 4055822046206 1125200418 AUD1781063K