Bombtrack Audax Steel Gravel Bike
Regular price $4,274.00
Save: $225.00 (6%)
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DESCRIPTION
The Bombtrack Audax Steel is the premium Audax, built from Columbus Cromor double-butted tubing for that classic slim-tubed steel look with thoroughly modern details. A tapered head tube, T47 bottom bracket, 12mm thru-axles and a rear light mount sit alongside a Shimano GRX 600 2x11 groupset for crisp shifting and strong hydraulic braking. Luxurious 650B x 47mm WTB tyres and Ritchey finishing kit make it a supremely comfortable all-day adventure bike.
Key Features
- Columbus Cromor double-butted steel frame with T47 bottom bracket, rack/fender mounts and rear light mount
- Full carbon fork with fender and cage mounts
- Shimano GRX 600 2x11 groupset with sub-compact 48/32T crank and 11-34T 105 cassette
- Shimano GRX hydraulic disc brakes with 160mm rotors
- Tubeless-ready WTB ST i25 rims on sealed Bombtrack Tau hubs with 12mm thru-axles
- 650B x 47mm WTB Byway (front) and Horizon (rear) tubeless-ready tyres
- Ritchey Comp cockpit and seatpost for all-day comfort
- 10.8kg in size M, rated to 120kg rider plus luggage
Who Is the Bombtrack Audax Steel For?
For the rider who wants the ride quality of fine steel with the versatility of a modern gravel bike. The 2x GRX drivetrain gives a wide, closely-spaced gear range for everything from fast group rides to loaded touring, and the hydraulic brakes add confident all-weather control.
In New Zealand, the Cromor frame and 47mm tubeless tyres deliver a smooth, planted ride across chip-seal, gravel and rail trails, while the rack, fender and light mounts make it ready for commuting and multi-day adventures. It is a bike built to be lived with for years.
Full Specifications
| Colour: | Metallic Dark Brown |
| 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 Road Comp Streem III drop bar, 31.8 mm, 5° backsweep |
| Grips: | Bombtrack Command bar tape |
| Stem: | Ritchey Comp 4-Axis 44 forged aluminium stem, -6° |
| Headset: | Sealed external aheadset, 1.1/2'' - 1.1/8'' |
| Levers: | Shimano GRX ST-RX600 STI hydraulic |
| Shifter: | Shimano GRX ST-RX600 STI 2 x 11 |
| Brakes: | Shimano GRX BR-RX400 hydraulic disc brakes |
| Rotor: | Shimano SM-RT66 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-HG70011 11-speed, 11 - 34 T |
| Front derailleur: | Shimano GRX FD-RX810-F |
| Rear derailleur: | Shimano GRX RD-RX810, clutch |
| Front hub: | Bombtrack Tau sealed hub, 6-bolt disc |
| Rear hub: | Bombtrack Tau sealed hub, 11-speed, 6-bolt disc |
| Through axle: | 12 x 100 mm / 12 x 142 mm |
| Front rim: | WTB ST i25 double wall, TCS 2.0, 32h |
| Rear rim: | WTB ST i25 double wall, TCS 2.0, 32h |
| Saddle: | Bombtrack Dart saddle |
| Seat post: | Ritchey Comp aluminium seatpost 27.2 mm x 400 mm |
| Seat clamp: | Bombtrack Origin 29.8 mm |
| Front tyre: | WTB BYWAY TCS 650B x 47C, tubeless ready |
| Rear tyre: | 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 |
PLU: 92901
SPECIFICATIONS
Please note that bike specifications may change from what is listed above if running substitution changes are made due to unavailability of parts. We highly recommend confirming the specifications of the bike at the time of purchase, especially if buying in-store.
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