Velopedia Bicycle Archive

2015 Specialized FATBOY 20

Fat Bike bicycle from the Velopedia specification archive.

Original MSRP
$1,000.00
Sizes
One Size
Colors
Satin Warm Charcoal/Teal/Hyper, Satin Coral/Deep Indigo/Powder Indigo/Powder Coral, Metallic White/Turqoise/Light Turqoise/Pink, Gloss Royal Blue/Moto Orange/Gallardo Orange
Archive ID
1231968
Image not yet recovered

Frameset

Frame ConstructionSpecialized A1 Premium Aluminum, fully butted w/ smooth welds, ZeroStack headtube, 170mm rear hub spacing, replaceable alloy derailleur hanger
Frame MaterialAluminum
ForkSpecialized A1 Premium Aluminum, 1-1/8" alloy steerer
Fork MaterialAluminum

Drivetrain

Component GroupMountian mix
ShiftersSRAM X4, 9-speed, trigger
Front DerailleurNone
Rear DerailleurSRAM X4, 9-speed, mid cage
CranksetForged alloy, 32T, w/ chainguard
Bottom BracketSquare taper, sealed cartridge bearings, 100mm shell, 164mm axle
Rear CogsSunrace, 9-speed, 11-34
ChainKMC X9, 9-speed, reusable Missing Link
PedalsComposite platform, w/ reflectors, 9/16"

Brakes

BrakesTektro Aries, mechanical disc, organic pads

Cockpit & Contact Points

Headset1-1/8" threadless, ZeroStack, semi-cartridge bearings
HandlebarSpecialized flat, 6061 double butted alloy, 9-degree backsweep, 31.8mm
StemSpecialized 3D forged alloy, 4-bolt, 7-degree rise
SaddleSpecialized youth, steel rails
SeatpostAlloy, single bolt, 27.2mm

Wheels & Tires

RimsSpecialized Fatboy, alloy disc, single wall, 90mm wide, sleeve joint, 32h
SpokesStainless, 14g, w/ brass nipple
Front TireSpecialized Ground Control Fat, 60TPI, wire bead, 20x4.0", Specialized Ground Control Fat, 60TPI, wire bead, 20x4.0"
Wheel Size20

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

Scroll to Top