Quiver

2018 Specialized Fatboy SE vs 2020 Trek Farley 9.8

The Trek Farley 9.8 size closest to your M is the M. Compare the M instead

What changes on the Trek Farley 9.8

Compared with the Specialized Fatboy SE in M, the Trek Farley 9.8 in S places the top of the head tube at about the same height and 37 mm further back, relative to the bottom bracket. Its wheelbase is 19 mm shorter, which can contribute to quicker direction changes.

Frame stack
+1 mm
About the same height
Frame reach
−37 mm
Shorter frame reach
Wheelbase
−19 mm
Shorter: quicker to change direction
Head angle
−1.5°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2018 Specialized Fatboy SE (M) and 2020 Trek Farley 9.8 (S), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Fatboy SE is drawn in full with its measurements, and the Trek Farley 9.8 is the colored outline on top.J 1111

Specialized Fatboy SE, MTrek Farley 9.8, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Fatboy SE MTrek Farley 9.8 SDifference
Reach420mm383−37 mm
Stack600mm601+1 mm
Head tube angle70.5°69.0°−1.5°
Seat tube angle73°73.0°±0.0°
Effective top tube603mm567−36 mm
Chainstay length455mm455±0 mm
Wheelbase1111mm1092−19 mm
BB drop60mm67+7 mm
BB height316mm321+5 mm
Standover786mm763−23 mm
Seat tube length445mm394−51 mm
Fork length467mmnot listed
Head tube length120mm100−20 mm

Differences are the Trek Farley 9.8 minus the Specialized Fatboy SE. Full charts: 2018 Specialized Fatboy SE, 2020 Trek Farley 9.8.

Where each sits in its class

Specialized Fatboy SETrek Farley 9.8

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.

PartSpecialized Fatboy SESETrek Farley 9.89.8
ShifterSRAM X-7SRAM GX Eagle
DerailleurSRAM GXSRAM GX Eagle
ChainKMC X-10SRAM GX Eagle
CranksetSpecialized StoutTruVativ Stylo
TireSpecialized Ground Control FatBontrager Barbegazi
HubSpecialized Stout 135, Specialized Stout 190not listed
RimSpecialized Stout XC 80not listed
BrakeTektro AriesSRAM Guide RS
SaddleSpecialized Henge CompBontrager Montrose Elite
Framenot listedTrek OCLV
Forknot listedBontrager Haru Pro
Cassettenot listedSRAM GX Eagle
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedTrek Wampa
Headsetnot listedFSA IS2
Seatpostnot listedBontrager Line

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