Bike Comparison
    MSRP
    $1,799
    $2,099
    Where to Buy
    $1

    At

    $1

    At

    Category
    GravelGravel
    3.0
    3.7
    SteelSteel
    Fork
    SteelSteel
    Wheels
    AluminumAluminum
    Wheel Size
    650b / 700c650b / 700c
    Clearance
    47c (27.5″) / 45c (700c)47c (27.5″) / 45c (700c)
    Brakes
    Mechanical DiscHydraulic Disc
    Groupset
    TiagraGRX 400, GRX 600
    Drivetrain
    2 × 102 × 10
    Brand Site

    allcitycycles.com

    allcitycycles.com

    Summary
    The All-City Space Horse Tiagra and All-City Space Horse GRX are both steel frame gravel bikes. The Space Horse GRX has better components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    Space Horse Tiagra
    Space Horse GRX
    Other Gravel 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

    Space Horse Tiagra

    36 mph

    Space Horse GRX

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    612 Select Chromoly Steel, TIG Welded and Brazed, E.D. Coated

    BB StandardBSA, 68mm, Threaded

    Tire Clearance47c (27.5″) / 45c (700c)

    ColorRoyal Mint

    612 Select Chromoly Steel, TIG Welded and Brazed, E.D. Coated

    BB StandardBSA, 68mm, Threaded

    Tire Clearance47c (27.5″) / 45c (700c)

    ColorRoyal Mint

    Fork

    612 Select Chromoly Steel, All-City Signature Fork ends and Crown, TIG Welded and Brazed, E.D. Coated

    612 Select Chromoly Steel, All-City Signature Fork ends and Crown, TIG Welded and Brazed, E.D. Coated

    Bottom Bracket

    Shimano BSA

    Shimano BSA

    Headset

    Cane Creek 40 Series

    Cane Creek 40 Series

    Stem

    AL6061, 3D forged, 4-bolt stem, 31.8mm, ±6° Rise

    AL6061, 3D forged, 4-bolt stem, 31.8mm, ±6° Rise

    Handlebar

    AL6061, 31.8mm, 12° Flair

    AL6061, 31.8mm, 12° Flair

    Saddle

    All-City Gonzo -OR- DDK-5255

    All-City Gonzo -OR- DDK-5255

    Seatpost

    27.2mm, two-bolt, 350mm length

    27.2mm, two-bolt, 350mm length

    Groupset
    Rear Derailleur

    Shimano Tiagra 4700, GS 10-speed

    Shimano GRX RX400, 10-speed

    Front Derailleur

    Shimano Tiagra 4700

    Shimano GRX RX400

    Crank

    Shimano Tiagra R460, 46/34t

    Shimano GRX RX600, 46/34t

    Shifters

    Shimano Tiagra 4700, 2x10

    Shimano GRX RX400

    Cassette

    MicroSHIFT, 11-32t

    MicroSHIFT, 11-32t

    Chain

    KMC X10 EPT

    KMC X10 EPT

    Brakes

    Tektro MD-C550, with short cable pull

    Shimano GRX RX400

    Brake Levers

    Shimano Tiagra 4700, 2x10

    Shimano GRX RX400

    Wheels
    Rims

    WTB ST i19, TCS 2.0, 32h, 650b (43cm~46cm); WTB ST i19, TCS 2.0, 32h, 700c (49cm~61cm)

    WTB ST i19, TCS 2.0, 32h, 650b (43cm~61cm)

    Front Hub

    All-City Go Devil, 32h, 6-bolt

    All-City Go Devil, 32h, 6-bolt

    Rear Hub

    All-City Go Devil, 32h, 6-bolt

    All-City Go Devil, 32h, 6-bolt

    Tires

    Vee Speedster, 650b x 38mm (43cm~46cm); Vee Speedster, 700c x 40mm (49cm~61cm)

    Teravail Rampart, 650bx47mm, 60tpi, Light & Supple, Tan Wall (43cm~61cm)

    Disc Rotors

    Tektro TR160-22, 160mm, 6-bolt

    Shimano RT26, 160mm, 6-bolt

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