Fatboy
Part No.  

Fatboy

Part No.  
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Fatboy
Overview
Technical Specifications
Reviews
All the fun of a fat bike with the performance of a Specialized. The Fatboy combines a lightweight frame and fork with 4.6" Ground Control tires to create a geometry similar to Specialized 29er geometry for nimble handling in the most extreme conditions.
  • Fat 26" disc, alloy single wall rims are designed to handle even the worst terrain
  • Specialized Ground Control Fat 26x4.6" tires roll over anything
  • Specialized FACT carbon fork w/ 5-inch tire clearance for stiff handling
  • Custom 2x10, forged alloy crankarm, w/ 100mm spindle for put the power down
  • Tektro Gemini, hydraulic disc brakes for reliable stopping power
  • SRAM X7, 10-speed, medium carbon cage derailleur for crisp and precise shifting
  • Fully butted M4 Premium Aluminum frame w/ up to 5-inch tire clearance is lightweight and stiff

Technical Specifications

DRIVETRAIN
CHAIN KMC X10L, 10-speed, reusable Missing Link
BOTTOM BRACKET Samox, PF30
CRANKSET Custom Samox, 2x10, alloy, 100mm CNC spindle, w/ BB, 104/64mm BCD spider
FRONT DERAILLEUR SRAM X7, 2x10, low direct mount
SHIFT LEVERS SRAM S-Series, Grip Shift, 10-speed
CASSETTE Sunrace, 10-speed, 11-36
REAR DERAILLEUR SRAM X7 Type 2, 10-speed, medium cage
SUSPENSION
FORK Specialized FACT carbon, full monocoque, tapered steerer, 135mm hub spacing
WHEELS
FRONT HUB Specialized MTB Hi Lo disc, alloy, sealed cartridge bearings, 135mm wide, QR, 32h
INNER TUBES Standard, presta valve
SPOKES Stainless, 14g
RIMS Specialized Fatboy SL, alloy disc, single wall, 90mm wide, sleeve joint, hookless design, 32h
FRONT TIRE Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6""
REAR TIRE Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6""
COCKPIT
SADDLE Body Geometry mountain, steel rails, 143mm
SEATPOST Alloy, 2-bolt, 12.5mm offset, 30.9mm, anti-corrosion hardware
STEM Specialized, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
HANDLEBARS Specialized, low rise, double butted 6061 alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 31.8mm
GRIPS SRAM, S-Series Grip Shift, 92mm
BRAKES
FRONT BRAKE Tektro Gemini, hydraulic disc, resin pads
BRAKE LEVERS Tektro Gemini, hydraulic
REAR BRAKE Tektro Gemini, hydraulic disc, resin pads
ACCESSORIES
PEDALS Resin test ride, w/ toe clips, CEN std.
FRAMESET
HEADSET 1-1/8"" upper, 1-1/2"" lower, Campy style, integrated sealed cartridge bearings, split crown race, 3.8mm cone spacer
SEAT BINDER Alloy, 34.9mm
FRAME Specialized M4 Premium Aluminum, fully butted w/ smooth welds, tapered headtube, post-mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger

Reviews