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2015 Fatboy Pro

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All the fun of a fat bike with the performance of a Specialized. The Fatboy Pro combines…

Colour:

Gloss Hyper/Black/White

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Product Details

All the fun of a fat bike with the performance of a Specialized. The Fatboy Pro combines a lightweight frame, RockShox Bluto fork, and 4.6" Ground Control tyres to create a geometry similar to Specialized 29er geometry for nimble handling in the most extreme conditions.

RockShox Bluto RL Solo Air spring shock w/ TurnKey damping for traction in all conditions
Fat 26" disc, alloy single wall rims are designed to handle even the worst terrain
RockShox Bluto RL Solo Air spring shock w/ TurnKey damping for traction in all conditions
Fully butted M4 Premium Aluminium frame w/ up to 5-inch tyre clearance is lightweight and stiff
Specialized Ground Control Fat 26x4.6" tyres roll over anything
SRAM X0, 11-speed derailleur w/ carbon cage for reliable and precise shifting
Fully butted M4 Premium Aluminium frame w/ up to 5-inch tyre clearance is lightweight and stiff

Technical Specifications

FRAMESET

FRAME

Specialized M4 Premium Aluminium, fully-butted w/ smooth welds, tapered head tube, post-mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger

HEADSET

1-1/8" upper, 1-1/2" lower, integrated Campy style, sealed cartridge bearings, split crown race, 3.8mm cone spacer

SEAT BINDER

Command Post, single bolt, 34.9mm

SUSPENSION

FORK

RockShox Bluto RL, Solo Air spring, TurnKey damping, tapered alloy steerer, external rebound adj., 32mm alloy stanchions w/ mag lowers, disc mount, QR 15mm thru-axle for 150mm

WHEELS

RIMS

Specialized Stout XC 90, disc, alloy, single wall, 90mm wide, sleeve joint, hookless design, 32h

FRONT HUB

Specialized Hi Lo disc, sealed cartridge bearings, 15mm thru-axle, 32h

REAR HUB

Specialized Hi Lo disc, alloy, sealed cartridge bearings, SRAM cassette, QR, 32h

SPOKES

Stainless, butted, 2.0/1.8/2.0mm, black

FRONT TYRE

Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6"

REAR TYRE

Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6"

INNER TUBES

Standard presta valve

DRIVETRAIN

REAR DERAILLEUR

SRAM X01, 11-speed, carbon cage

SHIFT LEVERS

SRAM X01,11-speed, trigger

CASSETTE

SRAM X1, 11-speed, 11-42

CHAIN

KMC X11L, 11-speed, w/ reusable MissingLink

CRANKSET

Race Face Next SL, PF30, 100mm spindle, 30T, w/ BB

COCKPIT

STEM

Specialized Stout XC, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware

HANDLEBARS

Specialized, 7050 alloy, 8-backsweep, 6-upsweep, 10mm rise, 750mm, 31.8mm

GRIPS

Specialized Body Geometry XCT Contour, Kraton w/ gel, lock-on

SADDLE

Body Geometry mountain, hollow Cr-Mo rails, 143mm

SEATPOST

Command Post BlackLite, alien head design, single bolt head, w/ remote adjust lever, 30.9mm, S: 100mm travel, M/L/XL: 125mm

BRAKES

FRONT BRAKE

Shimano XT, hydraulic disc, Ice Tech resin pads w/ fins, Ice Tech rotor

REAR BRAKE

Shimano XT, hydraulic disc, Ice Tech resin pads w/ fins, Ice Tech rotor

BRAKE LEVERS

Shimano XT, hydraulic disc, w/ reach adjust

ACCESSORIES

PEDALS

Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins

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

Geometry

	S	M	L	XL
Top Tube Length (Horizontal)	576mm	603mm	625mm	650mm
Seat-Post Length	350mm	350mm	400mm	400mm
Seat Tube Angle (Effective)	73°	73°	73°	73°
Seat Tube Angle (Actual)	73°	73°	73°	73°
Handle-Bar Width	750mm	750mm	750mm	750mm
Seat Tube Length, Center to Top	394mm	445mm	483mm	533mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	315mm	315mm	315mm	315mm
Wheel Base	1083mm	1105mm	1128mm	1154mm
Standover Height	757mm	793mm	820mm	849mm
Stack	590mm	600mm	615mm	629mm
Reach	395mm	420mm	437mm	458mm
Head Tube Length	110mm	120mm	135mm	150mm
Head Tube Angle	70.5°	70.5°	70.5°	70.5°
Chainstay Length	455mm	455mm	455mm	455mm
Crank Length	170mm	175mm	175mm	175mm
Stem Length	60mm	60mm	70mm	70mm