Quiver

2012 Specialized Stumpjumper FSR Carbon 26 vs 2014 Trek Fuel EX

The Trek Fuel EX size closest to your M is the 18.5". Compare the 18.5" instead

What changes on the Trek Fuel EX

Compared with the Specialized Stumpjumper FSR Carbon 26 in M, the Trek Fuel EX in 21.5" places the top of the head tube 4 mm higher and 43 mm further forward, relative to the bottom bracket. Its wheelbase is 53 mm longer, which can contribute to stability at speed.

Frame stack
+4 mm
Higher front end
Frame reach
+43 mm
Longer frame reach
Wheelbase
+53 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

2012 Specialized Stumpjumper FSR Carbon 26 (M) and 2014 Trek Fuel EX (21.5"), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper FSR Carbon 26 is drawn in full with its measurements, and the Trek Fuel EX is the colored outline on top.J 1123

Specialized Stumpjumper FSR Carbon 26, MTrek Fuel EX, 21.5"Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Carbon 26 MTrek Fuel EX 21.5"Difference
Reach424mm467+43 mm
Stack587mm591+4 mm
Head tube angle68°68.0°±0.0°
Seat tube angle70°68.5°−1.5°
Chainstay length420mm425+5 mm
Wheelbase1123mm1176+53 mm
BB drop1mm5+4 mm
BB height338mm338±0 mm
Standover744mm742−2 mm
Seat tube length430mm508+78 mm
Head tube length130mm157+27 mm
Effective top tubenot listed648

Differences are the Trek Fuel EX minus the Specialized Stumpjumper FSR Carbon 26. Full charts: 2012 Specialized Stumpjumper FSR Carbon 26, 2014 Trek Fuel EX.

Where each sits in its class

Specialized Stumpjumper FSR Carbon 26Trek Fuel EX

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other trail 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 Stumpjumper FSR Carbon 26S-Works Carbon 26Trek Fuel EX6
ForkSpecialized Future Shock S140TARockShox SEKTOR
Rear shockFox Brainnot listed
ShifterSRAM XXShimano Deore
DerailleurSRAM X.0, SRAM XX XX SLShimano Deore, Shimano SLX Shadow
CassetteSRAM XXShimano HG62
ChainKMC X10not listed
WheelsetRoval ControlFormula DC51
TireSpecialized S-Works Purgatory, Specialized Ground ControlBontrager XR3
HubRoval Control SLnot listed
BrakeAvid XX WorldAvid Elixir 3
StemSyntace F109not listed
SeatpostSpecialized Command Post BlackLiteBontrager SSR
SaddleSpecialized Henge ExpertBontrager Evoke 1
Framenot listedTrek Alpha Platinum
Cranksetnot listedShimano Deore M522
Headsetnot listedFSA NO.57SC

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