Bombtrack Audax
Best endurance gravel bike for long-distance bikepacking and mixed-terrain touring.
A refined steel-framed endurance machine designed for long-distance comfort and versatility. It balances the durability needed for loaded touring with the agility required for spirited road riding, making it a reliable choice for those who prioritize smooth handling over varied terrain.
$3299.99
at
Providence Bicycle
More Audax options
Who it's for
- Long-distance riders seeking a smooth, vibration-dampening ride
- Bikepackers needing maximum cargo capacity for multi-day adventures
- Endurance cyclists prioritizing comfort and predictable handling over speed
Who should skip it
- Weight-conscious climbers looking for a nimble, lightweight machine
- Performance riders demanding the latest high-end hydraulic componentry
- Racers wanting sharp, aggressive handling for quick cornering
Performance breakdown
Long-distance comfort
Steel frame geometry absorbs road buzz for fatigue-free all-day riding.
Versatility
Ample mounting points make this a true multi-surface adventure machine.
Braking performance
Hydraulic discs provide consistent, confident stopping power in all weather conditions.
Terrain adaptability
Wide tire clearance handles tarmac and loose gravel with equal poise.
Climbing efficiency
Sub-compact gearing makes steep, loaded ascents manageable rather than punishing.
Build quality
Ritchey finishing kit ensures reliable, high-end contact points out of the box.
Key Specs
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
Seat clamp
BOMBTRACK ORIGIN forged aluminium seat clamp, 29.8 mm
Rims
Front: WTB ST i25 double wall, TCS 2.0, 32h; Rear: WTB ST i25 double wall, TCS 2.0, 32h
Hubs
Front: BOMBTRACK TAU sealed hub, 6-bolt disc; Rear: BOMBTRACK TAU sealed hub, 11-speed, 6-bolt disc
Axles
12 x 100 mm / 12 x 142 mm
Tires
Front: WTB BYWAY TCS 650B x 47C, tubeless ready; Rear: WTB HORIZON TCS 650B x 47C , tubeless ready
Bottom Bracket
BOMBTRACK T47 internal sealed BB for 30 mm spindle
Crankset
BOMBTRACK LYER forged aluminium crank, direct mount interface (SRAM compatible),30 mm spindle
Chainrings
Aluminium, subcompact, 48 / 32 T, direct mount spider
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