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If having fun for the sake of having fun sounds appealing to you, "going fat" will change the way you ride forever. The security and control that the wheel system found here on our Fatboy SE provides is unparalleled. You get dramatically more traction, grip, and floatation than with traditional mountain tyres, 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, no-nonsense list of components that are low-maintenance and eager to perform season after season.
- [26x.4.6" Ground Control tyres help soak up bumps, while also providing a game-changing level of traction, control, and floatation for better handling out in the wild.]
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
FORK | Specialized, alloy, air-formed legs, tapered alloy steerer, 135mm hub spacing, open QR dropouts
HEADSET | 1-1/8" upper, 1-1/2" lower, threadless, Campy style, cartridge bearings
STEM | Specialized Stout, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
HANDLEBARS | Specialized Stout XC, double-butted 6061 alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 31.8mm
GRIPS | Specialized Body Geometry XCT Contour, Kraton w/ gel, lock-on
FRONT BRAKE | Tektro Aries, mechanical disc, organic pads
REAR BRAKE | Tektro Aries, mechanical disc, organic pads
BRAKE LEVERS | Tektro, mechanical disc
FRONT DERAILLEUR | SRAM X5, 2x10, low direct mount
REAR DERAILLEUR | SRAM X5, 10-speed, long cage
SHIFT LEVERS | SRAM X5, 2x10, trigger
CASSETTE | Sunrace, 10-speed, 11-36t
CHAIN | KMC X10, 10-speed, w/ reusable MissingLink
CRANKSET | Specialized Stout XC, forged alloy, 2x10, PF30, Cr-Mo spindle, 36/22T, 104mm BCD spider
BOTTOM BRACKET | Samox, PF30, sealed cartridge
PEDALS | Nylon, 1 pc. body, 9/16", w/ reflectors
RIMS | Specialized Stout XC 90, disc, alloy, single wall, 90mm wide, sleeve joint, hookless design, 32h
FRONT HUB | Specialized Stout XC 135, Hi Hi disc, alloy, loose ball bearings, bolt-on axle, 32h
REAR HUB | Specialized Stout XC 190, Hi Hi disc, alloy, loose ball bearings, bolt-on axle, 32h
SPOKES | Stainless, 14g, black
FRONT TYRE | Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6"
REAR TYRE | Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6"
INNER TUBES | Standard, Presta valve
SADDLE | Body Geometry mountain, steel rails, 143mm
SEATPOST | Alloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm
SEAT BINDER | Alloy, 31.8mm
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