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Specialized Fatboy


Regular price $1,899.99 USD
Regular price $1,899.99 USD Sale price $1,899.99 USD Sale Sold out
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Specialized Fatboy Features

Going fat isn't just a fun way to ride—it's a ride revolution. The security and control that the wheel system found on our Fatboy provides is unparalleled. You get dramatically more traction, grip, and floatation than with traditional mountain tires, all without sacrificing much to climbing efficiency. The end result is easy to explain—you have way more fun. And to make sure of it, we built the Fatboy with a durable list of components, like a SRAM 11-speed one-by drivetrain, that are low-maintenance and eager to perform season after season. Have more fun—go fat.

  • The frame features an M5 alloy construction that provides the ideal blend of efficiency and durability, while the geometry creates a roomy top tube and short chainstays for easy climbing and confident descending.
  • A FACT carbon fiber fork provides tons of compliance and absorbs chatter, while simultaneously keeping the overall weight of the bike down.
  • The SRAM NX one-by groupset keeps things simple, and is ready to take on the trail for the long haul.

Product Specifications

Bottom Bracket

Race Face, Threaded Bsa


Sram Pg-1130, 11-speed, 11-42t


Kmc X11ept, 11-speed, Anti-corrosion Coating W/ Reusable Missing Link™


Steel, 28t


Race Face Ride


Specialized Fact Carbon, 46mm Offset, Tapered Steerer, 150mm Axle


Specialized M5 Aluminum, Fully Butted W/ Smooth Welds, Tapered Head Tube And Seat Tube, Forged Post-mount 160mm Disc Dropouts, Internal Routing, Forged Bottom Bracket Shell, 197x12mm Rear Thru-axle

Front Brake

Sram Level T, Hydraulic Disc, 200/180mm

Front Hub

Stout Pro 150, Sealed Cartridge Bearings, 6-bolt Disc, 15x150mm, 32h

Front Tire

Ground Control Fat, Control Casing, 120 Tpi, Aramid Folding Bead, 26x4.6"


Specialized Sip Grip, Half-waffle, S/m: Regular Thickness, L/xl: Xl Thickness


Stout Riser, Double-butted Alloy, 9-degree Backsweep, 5-degree Upsweep, 15mm Rise, 750mm / 780mm Width, 31.8mm

Inner Tubes

Presta, 40mm Valve


Specialized Dirt

Rear Brake

Sram Level T, Hydraulic Disc, 180/160mm

Rear Derailleur

Sram Nx, 11-speed

Rear Hub

Stout Pro 197, Sealed Cartridge Bearings, 6-bolt Disc, 12x197mm, 32h

Rear Tire

Ground Control Fat, Control Casing, 120 Tpi, Aramid Folding Bead, 26x4.6"


Stout Xc 80, 27.5", Alloy, 76mm Internal Width, Disc-specific


Body Geometry Henge Comp, Hollow Cr-mo Rails, 143mm

Seat Binder

Alloy, Bolt-type, 34.9mm


Specialized 2-bolt Head, Forged Alloy, 8mm Offset, Micro-adjust, 30.9mm

Shift Levers

Sram Nx, 11-speed


Stainless, 14g


Specialized, 3d-forged Alloy, 4-bolt, 7-degree Rise

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