Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2017 Specialized

Fatboy

A 26″ aluminum frame rigid fat bike with upper mid-range components.
Compare the full range

FrameAluminum
SuspensionRigid
ForkCarbon
Wheels26″ Aluminum
Drivetrain1 × 10
GroupsetX7
BrakesTektro Gemini Hydraulic Disc
Where to Buy
Similar Bikes
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fatboy
Other Fat bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

32 km/h

Fatboy

36 km/h

Similar Bikes

Highest gear

(descending)

Sizing
SM

158cm – 171cm

MD

168cm – 180cm

LG

178cm – 189cm

XL

186cm – 199cm

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
BikeRadar
Specialized Fatboy Comp Carbon review

May 2016 · Seb Stott

Despite a couple of component niggles, the Fatboy has huge potential to dominate any fat bike race. Buy if you want a fast, capable and well-appointed fatty to race with

Highs
  • Light, speedy, well finished and perfect for mile-munching

Lows
  • You'll want to switch the stock tyres for snow, 203mm rotors are overkill, gearing is a little narrow

Read Review

Enduro Mountainbike Magazine
Specialized Fatboy 20 Review: Kids Bike on Steroids

Mar 2016 · Evan Phillips

Fatbikes are polarizing, especially for our kids. But are they any good for lightweight shredders? We find out with the Specialized Fatboy 20.

Read Review

BIKE Magazine
Specialized Fatboy Expert review - BIKE

Feb 2015

We reviewed Specialized's Fatboy Expert on the frigid, snowy trails of Marquette, MI to see how it held up to proper winter conditions.

Read Review

Canadian Cycling Magazine
Specialized Fatboy 24 and Fatboy 20: Fat bikes for small riders

Nov 2014 · Canadian Cycling Magazine

Specialized Canada has announced that two fat bikes for young riders will be available in mid-December. Both the Specialized Fatboy 24 and Fatboy 20 will

Read Review

Mountain Bike Action
Bike Test: SPECIALIZED FATBOY EXPERT

Nov 2014 · MBA Action

Let's kick back and have some fun

Read Review

MTBR
Specialized Fatboy

Mar 2014 · Francis Cebedo

Fatbiking is about fun, adventure, determination, accomplishment, and a little bit of insanity. Specialized has rolled all of this up into a nice package that makes me actually want to go out in 12 degree temperatures to ride in the snow. - Mtbr.com

Read Review

Geometry
Specs
Build
Frame

M5 Aluminum, fully butted w/smooth welding, tapered head tube and seat tube, 100mm of travel, forged post mount 160mm disc drop outs, internal routing, forged bottom bracket shell, 197x12mm thru-axle rear

BB StandardBSA, 100mm, Threaded

Fork

Specialized FACT carbon, 46mm offset, tapered steerer, 150mm axle

Bottom Bracket

BSA, 100mm, threaded

Stem

Specialized Alloy, 3D forged, 4-bolt, 6-degree

Handlebar

Stout Pro Riser, double-butted alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 750mm width, 31.8mm

Saddle

Body Geometry Henge Comp, hollow Cr-Mo rails, 143mm

Seatpost

Specialized 2-bolt head, forged alloy, 8mm offset, micro-adjust, 30.9mm

TypeRigid

Pedals

Specialized Dirt Pedals

Grips

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

Groupset
Rear Derailleur

SRAM X7 Type 2.1, long cage, 10-speed

Crank

RaceFace Aeffect Cinch, 28T chainring, 11-speed, threaded BB

Shifters

SRAM X7, 10-speed, trigger

Cassette

Sunrace, 10-speed, 11-42t

Chain

10-speed, extra lightweight hollow outer links w/reusable Missing Link # CL559R

Brakes

Front: Tektro Gemini, hydraulic disc, resin pads, i-Spec compatible, 180mm rotor, Rear: Tektro Gemini, hydraulic disc, resin pads, i-Spec compatible, 160mm rotor

TypeTektro Gemini Hydraulic Disc

Wheels
Rims

Specialized 26"" disc front, 21mm depth, 86mm internal width, 32h

Spokes

Stainless, black, 14g

Front Hub

Specialized Stout XC, alloy disc, double-sealed cartridge bearings, 15x150mm thru-axle, 32h

Rear Hub

Stout XC 197, disc alloy, sealed cartridge bearings, 12x197mm thru-axle, 32h

Tires

Front: Ground Control Fat, Control casing, 120 TPI, Aramid folding bead, 2Bliss Ready, 26x4.6"", Rear: Ground Control Fat, Control casing, 120 TPI, Aramid folding bead, 2Bliss Ready, 26x4.6""

Rider Notes
Riders Also Viewed

First added 6 November

Last updated 6 November

Not listed for 2,411 days