2018

SPECIALIZED Fatboy 20 2018

Mountain · Fat Bike · Unisex

Frame material Aluminum

Groupset X4, SRAM

Weight NULL kg

Wheel size 20

Wheel material Aluminum

Drivetrain 1 X 9

Chain Kmc X9, 9-Speed W/ Reu...

Tires Front: Ground Control...

Brake type Mechanical Disc

See all specifications

RRP

€707 incl. taxes

Observed price — New

€304 incl. taxes

Refurbished price

€152 incl. taxes

Likely trade-in value

1 234 €

About this bike

Looking at the Specialized Fatboy 20 2018? This mountain bike in the fat bike segment keeps showing up across European retailers. Built around an aluminium frame.

On the financial side, the recommended retail price (RRP) is €707, while the observed market price for a new unit averages €304. On the second-hand market we see refurbished units at around €152.

Use the table below to compare every retailer 2BX is tracking and pick the best offer for the Specialized Fatboy 20.

Bikes currently in the market or recently sold

Retailer	Link	Model	Year	Condition	Price	RRP	Discount	Status	Country	Last seen	First seen	Online for	Similarity	E-Bike	Groupset	Mileage	Size	Brake type	Frame material	Wheel size	Motor Torque	Battery capacity	Category
Retailer	Link	FATBOY	2017	Refurbished	1 234 €	1 234 €	-20%	On sale	Europe	2026-10-19	2026-10-12	7	Related	No	SRAM X7	—	M	Disco	Aluminium	26	—	—	Mtb
Retailer	Link	FATBOY	2018	Refurbished	1 234 €	1 234 €	-20%	On sale	Europe	2026-10-19	2026-05-05	167	Related	No	SRAM X7	—	S	Disco	Steel	—	—	—	Mtb
Retailer	Link	FATBOY	2025	New	1 234 €	1 234 €	-20%	On sale	Europe	2026-10-19	2026-09-14	35	Related	No	SRAM X7	—	54 cm	Disco	Aluminium	—	—	—	Mtb
Retailer	Link	FATBOY	2015	Refurbished	1 234 €	1 234 €	-20%	On sale	Europe	2026-10-19	2026-09-21	28	Related	No	SRAM X7	—	M	Disco	Aluminium	26	—	—	Mtb
Retailer	—	FATBOY 20	2020	Refurbished	1 234 €	1 234 €	-20%	Sold	Europe	2026-10-09	2026-09-14	25	Related	No	SRAM X4	—	Xxxs	Disco	Aluminium	20	—	—	Mtb
Retailer	—	FATBOY	2015	Refurbished	1 234 €	1 234 €	-20%	Sold	Europe	2026-08-14	2026-08-10	4	Related	No	SRAM X7	—	M	Disco	Aluminium	26	—	—	Mtb
Retailer	—	FATBOY	2016	Refurbished	1 234 €	1 234 €	-20%	Sold	Europe	2026-07-24	2026-07-06	18	Related	No	SRAM X7	—	L	Disco	Aluminium	26	—	—	Mtb
Retailer	—	FATBOY	2018	Refurbished	1 234 €	1 234 €	-20%	Sold	Europe	2026-06-21	2026-05-25	27	Related	No	SRAM NX	—	M	Disco	Aluminium	26	—	—	Mtb

Specifications

CategoryMountain

SubcategoryFat Bike

Year2018

FrameFully butted Specialized A1 Premium Aluminum, ZeroStack head t...

Frame materialAluminum

ForkSpecialized A1 Premium Aluminum, 1-1/8" alloy steerer

Fork materialAluminum

WeightNULL kg

SuspensionRigid

TravelNULL

Sizes XXXXXXXX

Components

Groupset X4, SRAM

Drivetrain 1 X 9

Rear derailleur SRAM X4, long cage, 6-/7-/8-speed

Cassette Sunrace, 9-Speed, 11-36t

Chain KMC X9, 9-speed w/ reusable MissingLink‚Ñ¢

Crank 9-speed, 28T chainring w/ chainguard

Bottom bracket Square taper, 100x151.5mm, sealed bearings

Brake type Mechanical Disc

Brakes Tektro Aries, mechanical disc, organic pads, 160mm rotor

Handlebar Specialized, alloy, 9-degree backsweep, 4-degree upsweep, 680mm width, 31.8mm

Stem Alloy, 7-degree rise, 31.8mm clamp

Grips Specialized Body Geometry XCT, lock-on

Saddle Specialized Youth, steel rails

Seatpost Alloy, single-bolt, 27.2mm

Pedals Platform

Wheels & Tires

Wheel size 20

Wheel material Aluminum

Rims 20" disc, alloy construction, 68mm internal width, 32h

Spokes Stainless, 14g

Tires Front: Ground Control Fat, 60 TPI, wire bead, 20x4.0", Rear: Ground Control Fat, 60 TPI, wire bead, 20x4.0"

Tire width 4"

Brand Market Footprint

The brand market footprint dashboard is part of the 2BX subscriber experience. Sign in to track on-sale volumes, active retailers and price trends across the European market.

Request access

Similar bikes

Compare with closely related models from the same brand and segment