Quiver

2020 Trek Farley vs 2020 Specialized Fatboy Comp Carbon

The S is the Specialized Fatboy Comp Carbon size closest to your M Trek Farley. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Fatboy Comp Carbon

Compared with the Trek Farley in M, the Specialized Fatboy Comp Carbon in S places the top of the head tube 3 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 23 mm shorter, which can contribute to quicker direction changes.

Frame stack
−3 mm
Lower front end
Frame reach
−5 mm
Shorter frame reach
Wheelbase
−23 mm
Shorter: quicker to change direction
Head angle
+2.5°
Steeper: sharper steering
Chainstays
+15 mm
Longer: more planted

The two frames

2020 Trek Farley (M) and 2020 Specialized Fatboy Comp Carbon (S), lined up at the bottom bracketBoth frames drawn to scale. The Trek Farley is drawn in full with its measurements, and the Specialized Fatboy Comp Carbon is the colored outline on top.J 1111

Trek Farley, MSpecialized Fatboy Comp Carbon, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Farley MSpecialized Fatboy Comp Carbon SDifference
Reach400395mm−5 mm
Stack605602mm−3 mm
Head tube angle68.0°70.5°+2.5°
Seat tube angle73.0°73°±0.0°
Effective top tube593not listed
Chainstay length440455mm+15 mm
Wheelbase11111088mm−23 mm
BB drop6560mm−5 mm
BB height322312mm−10 mm
Standover758738.5mm−20 mm
Seat tube length419394mm−25 mm
Head tube length10094mm−6 mm
Fork lengthnot listed496mm

Differences are the Specialized Fatboy Comp Carbon minus the Trek Farley. Full charts: 2020 Trek Farley, 2020 Specialized Fatboy Comp Carbon.

Where each sits in its class

Trek FarleySpecialized Fatboy Comp Carbon

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other fat bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartTrek Farley5Specialized Fatboy Comp CarbonComp Carbon
FrameTrek Alpha PlatinumSpecialized FACT 10m
ForkBontrager HaruSpecialized FACT carbon monocoque
ShifterShimano Deore M6000SRAM GX Eagle
DerailleurShimano Deore M6000SRAM GX Eagle
CassetteShimano HG50SRAM GX Eagle
ChainKMC X10SRAM GX Eagle
PedalsVP 536Specialized Dirt
TireBontrager GnarwhalMaxxis Minion FBF, Maxxis Minion FBR
RimSun Ringlé Mulefut 80 SLXC 80
HeadsetFSA IS2Specialized Integrated
SaddleBontrager ArvadaSpecialized Bridge
Cranksetnot listedSRAM Stylo Carbon
Chainringnot listedSRAM Stylo
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedXC 80
Hubnot listedPro 150, Pro 197
Brakenot listedSRAM Level TL front, SRAM Level TL rear
Rotornot listedSRAM Level TL
Handlebarnot listedRiser
Stemnot listedSpecialized Trail
Gripsnot listedSpecialized Sip Grip
Seatpostnot listedSpecialized 2-bolt Head

Know what is on every bike.

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