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2018 S-Works Fatboy

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What started as 'serious fun' has quickly become a serious change to what we want…

Product Details

What started as 'serious fun' has quickly become a serious change to what we want out of bike. The fat revolution is here, and with races becoming more and more prevalent, we knew that our much-heralded Fatboy could stand to go on a diet. Say hello to the S-Works Fatboy.

It features an immaculate, FACT 10m carbon fiber construction with internal cable routing to ensure that it's light, stiff, and ready for nasty elements. We then spec'd it with SRAM's venerable one-by groupset, XX1, for dependable shifting, and then kept the carbon train rolling with lightweight carbon wheels from HED.

Altogether, it's a revolution within the revolution, sparing no expense in delivering the ultimate in fat performance.

An immaculate FACT carbon fiber construction ensures that the frame is lightweight and plenty stiff in all the right places. Internal cable routing is also incorporated, ensuring that slush, sand, snow, or dirt will have no bearing on performance out on the trail.
A FACT carbon fiber fork provides tons of compliance and absorbs chatter, while simultaneously keeping the overall weight of the bike down.
HED Big Deal carbon wheels are light, fast, and 85mm-wide to make sure that you get all of the traction and floatation that fat bikes are known for, only without a weight penalty or having to make any sacrifices to climbing prowess.

Technical Specifications

FRAMESET

FRAME

FACT 10m, full carbon frame, 12x197mm thru-axle rear, internal cable routing, ISCG XC tabs

SEAT BINDER

Alloy, 34.9mm

SUSPENSION

FORK

Carbon, 46mm offset, tapered steerer, 150mm axle spacing

WHEELS

RIMS

HED Big Deal, carbon fiber construction, single wall, tubeless-ready, 26" x 85mm-wide, 32h

FRONT HUB

DT Swiss Big Ride 350, 6-bolt, 15x150mm thru-axle, 32h

REAR HUB

DT Swiss Big Ride 350, 6-bolt disc, 12x197mm thru-axle, SRAM XD driver, 32h

SPOKES

DT Swiss Revolution

FRONT TIRE

Fast Trak, Control Casing, 120 TPI, 2Bliss Ready, folding bead, 26x4.0"

REAR TIRE

Fast Trak, Control Casing, 120 TPI, 2Bliss Ready, folding bead, 26x4.0"

INNER TUBES

Standard, Presta valve

DRIVETRAIN

REAR DERAILLEUR

SRAM XX1 Type 2.1, 11-speed

SHIFT LEVERS

SRAM XX1, trigger, 11-speed

CASSETTE

SRAM XX1, 11-speed, 10-42t

CHAIN

SRAM XX1, 11-speed

CRANKSET

Race Face Next SL

CHAINRINGS

28T

BOTTOM BRACKET

PF30

COCKPIT

STEM

Syntace F109, 6-degree rise, 31.8mm clamp

HANDLEBARS

Specialized Trail, FACT carbon, 6-degree upsweep, 8-degree backsweep, 27mm rise, 750mm width, 31.8mm

GRIPS

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

SADDLE

Body Geometry Phenom Expert, hollow titanium rails, 143mm

SEATPOST

Race Face Next SL, 0mm offset, 30.9mm

BRAKES

REAR BRAKE

SRAM Guide RS carbon, hydraulic disc, organic pads, carbon lever lever, Guide S4 4-piston caliper, 180/160mm rotor

FRONT BRAKE

SRAM Guide RS carbon, hydraulic disc, organic pads, carbon lever, Guide S4 4-piston caliper, 200/180mm 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
Stack	602mm	602mm	617mm	632mm
Reach	395mm	420mm	437mm	458mm
Head Tube Length	94mm	94mm	110mm	125mm
Head Tube Angle	70.5°	70.5°	70.5°	70.5°
BB Height	307mm	307mm	307mm	307mm
BB Drop	60mm	60mm	60mm	60mm
Trail	80mm	80mm	80mm	80mm
Fork Length, Full	496mm	496mm	496mm	496mm
Fork Rake/Offset	47mm	47mm	47mm	47mm
Front Center	640mm	665mm	687mm	713mm
Chainstay Length	455mm	455mm	455mm	455mm
Wheelbase	1088mm	1113mm	1135mm	1161mm
Top Tube Length, Horizontal	579mm	604mm	626mm	651mm
Bike Standover Height	738.5mm	752mm	778.3mm	807.5mm
Seat Tube Length	394mm	434mm	470mm	520mm
Seat Tube Angle	73°	73°	73°	73°