Bombtrack Audax 650b Gravel/All-Road Bike (Glossy Sage Green) (XL)

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Price: $3,949.99 (Save 24%)
Sale: $2,999.99

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Mixed terrain, or all-road, rides have become all the rage these days, and as such, bikes are following suit with more tire clearance, relaxed geometry numbers, and a ton of fender and accessory mounts. The Bombtrack Audax is designed with this purpose -to provide a nimble feel on tarmac, while the large volume tires smooth out chunk and broken ground to keeping riders comfortable over a wide range of surfaces. Powerful hydraulic disc brakes and a reliable Shimano drivetrain boost the Audax's performance, and round out a platform that any endurance cyclists would be happy to have among their quiver.


  • Columbus Cromor double butted frame construction w/ rack & fender mounts integrated rear light mount
  • Full carbon tapered fork with triple cage mounts and fender mounts
  • Shimano 105/Ultegra mixed drivetrain provides precise shifting and powerful braking performance 
  • Bombtrack Lyer alloy forged crankset with direct mount 2x spider & 48/32T chainrings (Sram DM Compatible)
  • Flat mount hydraulic disc brakes provide consistent and powerful braking performance
  • Top tube bag mounts, triple cage mounts on downtube and seat tube, cage mounts under the downtube, and rear rack/fender mounts
  • Tubeless ready WTB tires 

Frame: Columbus Cromor Double Butted Tubing w/ Rack & Fender Mounts
Fork: Full Carbon w/ Fender & Cage Mounts
Handlebar: Ritchey Comp Streem III (31.8mm) (5° Backsweep)
Grips/Tape: Bombtrack Command Tape
Stem: Ritchey Comp 4-Axis 44 (-6°) 
Headset: Sealed External (1-1/2" - 1-1/8")
Levers: Shimano 105 ST-R7020 STI Hydro 
Shifter: Shimano 105 ST-R7020 STI (2 x 11sp)
Brakes: Shimano 105 BR-7070 Flat Mount Hydraulic Disc (160mm)
Crankset: Bombtrack Lyer Forged Aluminum (Sram DM) (30mm Spindle) 
BB: Bombtrack T47 (Internal Sealed) 
Pedals: -
Chain: KMC X11 (114 Links)
Chainring: Aluminum Sub-Compact (48/32T)
Cassette: Shimano 105 R7000 (11sp) (11-34T)
Front Derailleur: Shimano 105 R7000
Rear Derailleur: Shimano Ultegra RX8000-GS (Medium Cage) (11sp)
Front Hub: Bombtrack TAU (6-Bolt) (12 x 100mm)
Rear Hub: Bombtrack TAU (6-Bolt) (12 x 142mm) (11sp)
Rims: WTB ST i25 (Double Wall) (32H)
Saddle: Bombtrack Comp Saddle
Seatpost: Ritchey Comp 2-Bolt (27.2mm) (400mm)
Seat Clamp: Bombtrack Orgin (29.8mm)
Front Tire: WTB Byway TCS (650B x 47mm)
Rear Tire: WTB Horizon TCS (650B x 47mm) 

*Note: These bikes are fully built by our expert bike builders, then partially disassembled as needed for shipping. Bikes will arrive to you with some basic assembly still required. 

This product was added to our catalog on June 28, 2022