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    AUDAX2025 Bombtrack
    Recommended
    MSRP
    Where to Buy
    $2,639

    20% off At Campfire Cycling

    Category
    		Endurance
    Weight
    		23.8 lbs
    3.8
    Frame
    		Steel
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		650c
    Clearance
    		50c (27.5″) / 35c (700c)
    		Shimano GRX 400 Hydraulic Disc
    		GRX 800, GRX 600
    Drivetrain
    		2 × 11
    Brand Site

    bombtrack.com

    Summary
    		The Bombtrack AUDAX is a steel frame endurance bike with high-end components and shimano grx 400 hydraulic disc brakes.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    AUDAX
    Other Endurance bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    36 mph

    AUDAX

    Highest gear

    (descending)

    Geometry
    Specs
    AUDAX2025 Bombtrack
    Frame

    Columbus Cromor double butted, TA, rack / fender mounts, internal light cable routing, rear light mount, 86.5 mm T47 BB shell

    BB Standard: T47, Threaded

    Tire Clearance: 50c (27.5″) / 35c (700c)

    Color: Metallic Dark Brown

    Fork

    Full carbon, TA, 1.1/2'' - 1.1/8'', with fender / cage mounts

    Bottom Bracket

    Bombtrack T47 internal sealed BB for 30 mm spindle

    Headset

    Sealed external aheadset, 1.1/2'' - 1.1/8''

    Stem

    Ritchey Comp 4-Axis 44 forged aluminium stem, -6°

    Handlebar

    Ritchey Road Comp Streem III drop bar, 31.8 mm, 5° backsweep

    Saddle

    Bombtrack Dart saddle

    Seatpost

    Ritchey Comp aluminium seatpost 27.2 mm x 400 mm

    Type: Rigid

    Pedals

    -

    Grips

    Bombtrack Command bar tape

    Groupset
    Rear Derailleur

    Shimano GRX RD-RX810, clutch

    Front Derailleur

    Shimano GRX FD-RX810-F

    Crank

    Bombtrack Lyer forged aluminium crank, direct mount interface, (SRAM compatible),30 mm spindle

    Shifters

    Shimano GRX ST-RX600 STI 2 x 11

    Cassette

    Shimano 105 CS-HG70011 11-speed, 11 - 34 T

    Chain

    KMC X11 EPT Anti Rust chain, 1/2'' x 11/128'', 114L

    Brakes

    Shimano GRX BR-RX400 hydraulic disc brakes

    Type: Shimano GRX 400 Hydraulic Disc

    Wheels
    Rims

    Front: WTB ST i25 double wall, TCS 2.0, 32h, Rear: WTB ST i25 double wall, TCS 2.0, 32h

    Front Hub

    Bombtrack Tau sealed hub, 6-bolt disc

    Rear Hub

    Bombtrack Tau sealed hub, 11-speed, 6-bolt disc

    Tires

    Front: WTB BYWAY TCS 650B x 47C, tubeless ready, Rear: WTB Horizon TCS 650B x 47C, tubeless ready

    Disc Rotors

    Shimano SM-RT66 160 mm rotors

    Accessories
    Lights

    -

    Fenders

    -

    Racks

    -

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