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    MSRP
    Where to Buy
    $1

    At

    Category
    Fat
    6.1
    Frame
    Aluminum
    RockShox Bluto RL
    Wheels
    Aluminum
    Wheel Size
    26″
    Shimano XT Hydraulic Disc
    X01
    Drivetrain
    1 × 11
    Brand Site

    specialized.com

    Summary
    The Specialized Fatboy Pro Trail is a 26″ aluminum frame hardtail fat bike with ultra high-end components.

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    Insights
    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)

    22 mph

    Fatboy Pro Trail

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Specialized M4 aluminum, fully-butted tubing w/ smooth welds, tapered head tube, post-mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger

    BB StandardPF30, 100mm, Press Fit

    Fork

    RockShox Bluto RL, Solo Air spring, Motion Control damping,external rebound adjust, tapered alloy steerer, mag lowers, 32mm alloy stanchions, disc mount, QR 15mm thru-axle for 150mm hub spacing

    Spring TypeAir

    Bottom Bracket

    PF30, 100mm, press-fit

    Headset

    1-1/8"" upper, 1-1/2"" lower, threadless, Campy style, cartridge bearings

    Stem

    Specialized XC, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware

    Handlebar

    Specialized, 7075 alloy, 8-backsweep, 6-upsweep, 10mm rise, 31.8mm

    Saddle

    Body Geometry Henge Comp, hollow Cr-Mo rails, 143mm

    Seatpost

    Command Post BlackLite, alien head design, single bolt, remote adjust lever, 30.9mm, S: 100mm travel, M/L/XL: 125mm travel

    TypeDropper

    Pedals

    Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins

    Grips

    Specialized Sip Grip, light lock-on, half-waffle, S/M: regular thickness, L/XL: XL thickness

    Groupset
    Rear Derailleur

    SRAM X01 Type 2.1, 11-speed, carbon cage

    Crank

    Race Face Next SL, PF30 BB, 100mm spindle, 28T direct mount ring

    Shifters

    SRAM X01, 11-speed, trigger

    Cassette

    SRAM X1, 11-speed, 10-42t

    Chain

    KMC X11L, 11-speed, w/ reusable MissingLink

    Brakes

    Front: Shimano Deore XT, hydraulic disc, metallic pads w/ fins, Ice-Tech rotor, Rear: Shimano Deore XT, hydraulic disc, metallic pads w/ fins, Ice-Tech rotor

    TypeShimano XT Hydraulic Disc

    Brake Levers

    Shimano XT, hydraulic, reach adjust

    Wheels
    Rims

    Specialized Stout XC 90, disc, alloy, single wall, 90mm wide, sleeve joint, hookless design, 32h

    Spokes

    Stainless, butted, 2.0/1.8/2.0mm, black

    Front Hub

    Specialized Stout XC 150, Hi Hi disc, double-sealed cartridge bearings, 15mm thru-axle, 32h

    Rear Hub

    Specialized Stout XC 190, Hi Hi disc, alloy, sealed cartridge bearings, QR, 32h

    Tires

    Front: Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6"", Rear: Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6""

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