Bike Comparison
    MSRP
    Where to Buy
    $1

    At

    $1

    At

    Category
    EnduranceEndurance
    Weight
    22.9 lbs22.7 lbs
    5.0
    2.8
    SteelAluminum
    Fork
    CarbonCarbon
    Wheels
    AluminumAluminum
    Wheel Size
    650c650c
    Clearance
    47c (27.5″) / 35c (700c)50c (27.5″) / 35c (700c)
    Brakes
    Hydraulic DiscMechanical Disc
    Groupset
    Ultegra, 105Tiagra
    Drivetrain
    2 × 112 × 10
    Brand Site

    bombtrack.com

    bombtrack.com

    Summary
    The Bombtrack Audax and Bombtrack Audax AL are both endurance bikes. The Audax has a steel frame and better components, while the Audax AL has an aluminum frame and higher gearing.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    Audax
    Audax AL
    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

    37 mph

    Audax AL

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    COLUMBUS CROMOR double butted tubing, tapered head tube, TA dropouts, replaceable hanger, 86 mm T47 shell

    BB StandardT47, 86mm, Threaded

    Tire Clearance47c (27.5″) / 35c (700c)

    6061-T6 double butted alloy, tapered head tube, TA dropouts, replaceable hanger, PF86 shell

    BB StandardT47, 86mm, Threaded

    Tire Clearance47c (27.5″) / 35c (700c)

    Fork

    BOMBTRACK EXT full carbon disc fork, TA, 1.1/2" - 1.1/8" tapered steerer, with fender / triple cage mounts

    full carbon, TA disc fork, 1.1/2" - 1.1/8" tapered steerer, with fender / cage mounts

    Bottom Bracket

    FSA 386EVO T47 BB for T47 x 86 mm

    SHIMANO BB86

    Headset

    FSA NO.21/12/44 sealed external aheadset, 1.1/2" - 1.1/8"

    FSA ORBIT C40 sealed integrated aheadset, 1.1/2" - 1.1/8"

    Stem

    RITCHEY COMP 4-AXIS forged alloy stem, -6°

    BOMBTRACK ROAM forged alloy stem, -7°

    Handlebar

    RITCHEY COMP STREEM II drop bar, 31.8 mm, 4.7° backsweep

    BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare

    Saddle

    BOMBTRACK COMP saddle

    BOMBTRACK COMP saddle

    Seatpost

    RITCHEY COMP 2-BOLT alloy seatpost 27.2 mm x 400 mm

    BOMBTRACK BEECH alloy seatpost, 27.2 mm x 300 mm

    Pedals

    -

    -

    Grips

    RITCHEY WCS PAVE bar tape

    BOMBTRACK COMMAND bar tape

    Groupset
    Rear Derailleur

    SHIMANO ULTEGRA RD-RX8000-GS rear derailleur, clutch, medium cage

    SHIMANO TIAGRA RD-4700-GS rear derailleur, medium cage

    Front Derailleur

    SHIMANO 105 FD-R7000-B front derailleur

    SHIMANO TIAGRA FD-4700-F front derailleur

    Crank

    FSA GOSSAMER PRO 386EVO alloy crank, FSA GOSSAMER alloy, subcompact, 48/32T, 1/2" x 11/128"

    SHIMANO TIAGRA FC-4700 alloy crank, SHIMANO TIAGRA alloy, compact, 50/34T, 1/2" x 11/128"

    Shifters

    SHIMANO 105 ST-R7020 STI 2 x 11

    SHIMANO TIAGRA ST-4700 STI 2 x 10

    Cassette

    SHIMANO 105 CS-R7000 11-speed cassette, 11-32T

    SHIMANO TIAGRA CS-HG500-10 10-speed cassette, 11-32T

    Chain

    KMC X11EL chain, 1/2" x 11/128", 114L

    KMC X10EL chain, 1/2" x 11/128", 114L

    Brakes

    SHIMANO 105 BR-R7070 flat-mount hydraulic disc brakes with 160 mm rotors

    TRP Spyre C flat-mount disc brakes, 160 mm rotors

    Wheels
    Rims

    Front: HUNT ADVENTURE SPORT double wall asymmetric rim, TLC, i20, 28h, Rear: HUNT ADVENTURE SPORT double wall asymmetric rim, TLC, i20, 28h

    Front: WTB ST i19 double wall, TCS, 32h, Rear: WTB ST i19 double wall, TCS, 32h

    Front Hub

    Front: HUNT ADVENTURE SPORT sealed hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: HUNT ADVENTURE SPORT sealed hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle

    Front: BOMBTRACK ORIGIN sealed disc hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: BOMBTRACK ORIGIN sealed disc hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle

    Rear Hub

    Front: HUNT ADVENTURE SPORT sealed hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: HUNT ADVENTURE SPORT sealed hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle

    Front: BOMBTRACK ORIGIN sealed disc hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: BOMBTRACK ORIGIN sealed disc hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle

    Tires

    Front: WTB BYWAY folding tire, 650B x 47C , Rear: WTB HORIZON folding tire, 650B x 47C

    Front: WTB HORIZON tire, 650B x 47C, Rear: WTB HORIZON tire, 650B x 47C

    Accessories
    Lights

    -

    -

    Fenders

    -

    -

    Racks

    -

    -

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