Quiver

Specialized2018

2018 Specialized Fatboy SE

Fat

The 2018 Specialized Fatboy SE sits at the aggressive end of the range for a fat bike, with a steeper head angle and a longer rear center. Reach 395 to 458 mm, stack 590 to 628 mm. The Fatboy SE build comes with SRAM GX shifting and Specialized Ground Control Fat tires.

Source: specialized.com. Checked .

Key facts

Model
Fatboy
Model year
2018
Frame
SE
Type
Fat
Geometry labels
S, M, L, and XL
Drivetrain
SRAM GX
Geometry
Complete for every size
Source
specialized.com
Checked

Geometry by size

2018 Specialized Fatboy SE geometry drawing, size MSide view of the 2018 Specialized Fatboy SE frame in size M, drawn to scale from its published geometry, with lettered dimension lines.J 1111A 420mmB 600mmJ 1111mmH 455mmK 60mmC 603mmD 70.5°E 73.0°F 120mmG 445mmN 316mmL 786mmM 467mm
Geometry drawing, size M, to scale.
2018 Specialized Fatboy SE geometry by size
MeasurementSMLXL
Reach(mm)395420437458
Stack(mm)590600614628
Head tube angle(°)70.570.570.570.5
Seat tube angle(°)73737373
Effective top tube(mm)576603625650
Chainstay length(mm)455455455455
Wheelbase(mm)1083111111331159
BB drop(mm)60606060
BB height(mm)316316316316
Standover(mm)754786812840
Seat tube length(mm)394445483533
Fork length(mm)467467467467
Head tube length(mm)110120135150

Stock build

10 parts

Drivetrain

Shifter
SRAM GX
DerailleurFrom the manufacturer: Speeds 10
KMC X-10
ChainFrom the manufacturer: Speeds 10

Wheels & Tires

TireFrom the manufacturer: Wheel size 26From the manufacturer: Width 4.6From the manufacturer: TPI 60 TPI

Brakes

Tektro Aries
BrakeFrom the manufacturer: Brake type mechanical disc

Seatpost & Saddle

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Manufacturer

Quick answers

Which size or configuration labels have geometry for the 2018 Specialized Fatboy SE?
Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2018 Specialized Fatboy SE in size L?
In size L, reach is 437 mm and stack is 614 mm.
What is the head tube angle of the 2018 Specialized Fatboy SE?
The head tube angle is 70.5 degrees in every size.
What does the 2018 Specialized Fatboy SE ship with?
The stock build includes SRAM X-7, Specialized Ground Control Fat, Tektro Aries, and Specialized Henge Comp.
Which years of the Specialized Fatboy are on Quiver?
Quiver has the Specialized Fatboy for 2018, 2020, 2019, 2017, and 2015.

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