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2015 Specialized Fatboy SE

Original specifications: SRAM X5 · 10-speed · mechanical rear derailleur · 26 wheels.

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At a glance

Model year
2015
Category
Mountain
Original MSRP
$1,500.00
Sizes
S, M, L, XL
Colors
Satin Warm Charcoal/Black, Satin Deep Blue/Cyan/Dirty White
In this record
24 specifications · 2 archived images · original MSRP
Archive ID
1510569
Original buildAluminum · Mountian mix · 26

Manufacturer catalog

Published sizes and colors

4 sizes · 2 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Satin Warm Charcoal/BlackSatin Deep Blue/Cyan/Dirty White

Frameset

Frame ConstructionSpecialized M4 Premium Aluminum, fully butted w/ smooth welds, tapered headtube, post-mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger
Frame MaterialAluminum
ForkSpecialized alloy, air-formed legs, tapered alloy steerer, 135mm hub spacing, QR dropouts
Fork MaterialAluminum

Drivetrain

Component GroupMountian mix
ShiftersSRAM X5, 2x10, trigger
Front DerailleurSRAM X5, 2x10, low direct mount
Rear DerailleurSRAM X5, 10-speed, long cage
CranksetCustom Samox, 2x10, alloy, 100mm CNC spindle, 36/22, 104/64mm BCD spider
Bottom BracketSamox, PF30
Rear CogsSunrace, 10-speed, 11-36
ChainKMC X10, 10-speed, reusable Missing Link
PedalsResin test ride, w/ toe clips, CEN std.

Brakes

BrakesTektro Aries, mechanical disc, organic pads

Cockpit & Contact Points

Headset1-1/8" upper, 1-1/2" lower, Campy style, integrated sealed cartridge bearings
HandlebarSpecialized, low rise, double butted 6061 alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 31.8mm
StemSpecialized 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
SaddleBody Geometry mountain, hollow Cr-Mo rails, 143mm
SeatpostAlloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm, anti-corrosion hardware

Wheels & Tires

HubsSpecialized MTB Hi Lo disc, alloy, double-sealed loose ball, QR, 32h, Specialized MTB Hi Lo disc, alloy, double-sealed loose ball, QR, 32h
RimsSpecialized Fatboy SL, alloy disc, single wall, 90mm wide, sleeve joint, hookless design, 32h
SpokesStainless, 14g
Front TireSpecialized Ground Control Fat, 60TPI, wire bead, 26x4.6", Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6"
Wheel Size26

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build36/22T · 11–36T · 10-speed
Lowest0.61:1 Highest3.27:1 Total range536%
Campaign

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
KMC X10, 10-speed, reusable Missing Link
Cassette / rear cogs · Original
Sunrace, 10-speed, 11-36
Front tire · Original
Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6", Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6"
Retailer offers · Affiliate links
More parts (6)
Bottom bracket · Original
Samox, PF30
Crankset · Original
Custom Samox, 2x10, alloy, 100mm CNC spindle, 36/22, 104/64mm BCD spider
Front derailleur · Original
SRAM X5, 2x10, low direct mount Search: SRAM X5 10-speed mechanical front derailleur
Rear derailleur · Original
SRAM X5, 10-speed, long cage Search: SRAM X5 10-speed mechanical rear derailleur
Shifters · Original
SRAM X5, 2x10, trigger Search: SRAM X5 10-speed mechanical shifter
Stem · Original
Specialized 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2015 Specialized Fatboy SE · Fat Bike · Published sizes: S, M, L, XL

Archived: Frame: Specialized M4 Premium Aluminum, fully butted w/ smooth welds, tapered headtube, post-mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger · Fork: Specialized alloy, air-formed legs, tapered alloy steerer, 135mm hub spacing, QR dropouts · Aluminum

Archived: Group: Mountian mix · Shifters: SRAM X5, 2x10, trigger · Front derailleur: SRAM X5, 2x10, low direct mount · Rear derailleur: SRAM X5, 10-speed, long cage · Crankset: Custom Samox, 2x10, alloy, 100mm CNC spindle, 36/22, 104/64mm BCD spider · Bottom bracket: Samox, PF30 · Rear cogs: Sunrace, 10-speed, 11-36 · Chain: KMC X10, 10-speed, reusable Missing Link

Archived: Brakes: Tektro Aries, mechanical disc, organic pads

Archived: Wheel size: 26 · Rims: Specialized Fatboy SL, alloy disc, single wall, 90mm wide, sleeve joint, hookless design, 32h · Hubs: Specialized MTB Hi Lo disc, alloy, double-sealed loose ball, QR, 32h, Specialized MTB Hi Lo disc, alloy, double-sealed loose ball, QR, 32h · Front tire: Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6", Specialized Ground Control Fat, 60TPI, wire bead, 26x4.6"

Controls and contact points

Archived: Headset: 1-1/8" upper, 1-1/2" lower, Campy style, integrated sealed cartridge bearings · Handlebar: Specialized, low rise, double butted 6061 alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 31.8mm · Stem: Specialized 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware · Seatpost: Alloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm, anti-corrosion hardware · Saddle: Body Geometry mountain, hollow Cr-Mo rails, 143mm · Pedals: Resin test ride, w/ toe clips, CEN std.

Before and during the test ride

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Gallery2 images

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Campaign

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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