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2017 Fatboy

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Going fat isn't just a fun way to ride—it's a ride revolution. The security and control…

Product Details

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 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
Tough, ultra-wide alloy rims are dependable and rugged. So whether you're trail riding or plowing through the snow, these wheels will be the perfect mix of performance and strength

Technical Specifications

FRAMESET

FRAME

M5 Aluminum, fully butted w/smooth welding, tapered head tube and seat tube, 100mm of travel, forged post mount 160mm disc drop outs, internal routing, forged bottom bracket shell, 197x12mm thru-axle rear

SEAT BINDER

Alloy, 31.8mm

SUSPENSION

FORK

Specialized FACT carbon, 46mm offset, tapered steerer, 150mm axle

WHEELS

RIMS

Specialized 26"" disc front, 21mm depth, 86mm internal width, 32h

FRONT HUB

Specialized Stout XC, alloy disc, double-sealed cartridge bearings, 15x150mm thru-axle, 32h

REAR HUB

Stout XC 197, disc alloy, sealed cartridge bearings, 12x197mm thru-axle, 32h

SPOKES

Stainless, black, 14g

FRONT TIRE

Ground Control Fat, Control casing, 120 TPI, Aramid folding bead, 2Bliss Ready, 26x4.6""

REAR TIRE

Ground Control Fat, Control casing, 120 TPI, Aramid folding bead, 2Bliss Ready, 26x4.6""

INNER TUBES

Standard, Presta valve

DRIVETRAIN

REAR DERAILLEUR

SRAM X7 Type 2.1, long cage, 10-speed

SHIFT LEVERS

SRAM X7, 10-speed, trigger

CASSETTE

Sunrace, 10-speed, 11-42t

CHAIN

10-speed, extra lightweight hollow outer links w/reusable Missing Link # CL559R

CRANKSET

RaceFace Aeffect Cinch, 28T chainring, 11-speed, threaded BB

COCKPIT

STEM

Specialized Alloy, 3D forged, 4-bolt, 6-degree

HANDLEBARS

Stout Pro Riser, double-butted alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 750mm width, 31.8mm

GRIPS

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

SADDLE

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

SEATPOST

Specialized 2-bolt head, forged alloy, 8mm offset, micro-adjust, 30.9mm

BRAKES

REAR BRAKE

Tektro Gemini, hydraulic disc, resin pads, i-Spec compatible, 160mm rotor

FRONT BRAKE

Tektro Gemini, hydraulic disc, resin pads, i-Spec compatible, 180mm rotor

ACCESSORIES

PEDALS

Specialized Dirt Pedals

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

	S	M	L	XL
Crank Length	170mm	175mm	175mm	175mm
Handlebar Width	750mm	750mm	750mm	750mm
Stem Length	60mm	60mm	70mm	70mm
Saddle Width	143mm	143mm	143mm	143mm
Seatpost Length	350mm	350mm	400mm	400mm
Seat-Tube Angle	73°	73°	73°	73°
Head-Tube Length	110mm	120mm	135mm	150mm
Head-Tube Angle	70.5°	70.5°	70.5°	70.5°
Chain-Stay Length	455mm	455mm	455mm	455mm
Front-Center	634mm	663mm	685mm	711mm
B-B Drop	60mm	60mm	60mm	60mm
B-B Height	316mm	316mm	316mm	316mm
Bike Stand-Over Height	754mm	786mm	812mm	840mm
Fork Length (full)	467mm	467mm	467mm	467mm
Top-Tube Length (horizontal)	576mm	603mm	625mm	650mm
Seat-Tube Length	394mm	445mm	483mm	533mm
Stack	590mm	600mm	614mm	628mm
Reach	395mm	420mm	437mm	458mm
Trail	84mm	84mm	84mm	84mm
Fork Rake/Offset	46mm	46mm	46mm	46mm
Wheelbase	1083mm	1111mm	1133mm	1159mm