2015 Fatboy Pro
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All the fun of a fat bike with the performance of a Specialized. The Fatboy Pro combines…
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 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
Race Face Next SL crankset w/ 100mm spindle is built for power no matter the terrain
Shimano XT, hydraulic disc brakes w/ Ice Tech pads and rotors for max stopping power
SRAM X0, 11-speed derailleur w/ carbon cage for reliable and precise shifting
Fully butted M4 Premium Aluminum frame w/ up to 5-inch tire clearance is lightweight and stiff
RockShox Bluto RL Solo Air spring shock w/ TurnKey damping for traction in all conditions
Technical Specifications
FRAMESET
FRAME
Specialized M4 Premium Aluminum, fully butted w/ smooth welds, tapered headtube, 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 hub spacing
WHEELS
RIMS
Specialized Fatboy SL, alloy disc, single wall, 90mm wide, sleeve joint, hookless design, 32h
FRONT HUB
Specialized Hi Lo disc, sealed cartridge bearings, 15mm thru-axle, 150mm wide, 32h
REAR HUB
Specialized Hi Lo disc, alloy, sealed cartridge bearings, XD driver body, 190mm wide, QR, 32h
SPOKES
Stainless, 2.0/1.8/2.0mm
FRONT TIRE
Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6""
REAR TIRE
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, reusable Missing Link
CRANKSET
Race Face Next SL, PF30 BB, 100mm spindle, 30T, spiderless
COCKPIT
STEM
Specialized, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
HANDLEBARS
Specialized, mini rise, 7050 alloy, 8-backsweep, 6-upsweep, 10mm rise, 31.8mm
GRIPS
Specialized Body Geometry XC Contour, Kraton w/ gel, lock-on, closed end
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, 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 colorway, 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 |
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