Quiver

2013 Trek Fuel EX vs 2012 Specialized Stumpjumper FSR Carbon 26

The Specialized Stumpjumper FSR Carbon 26 size closest to your 18.5" is the M. Compare the M instead

What changes on the Specialized Stumpjumper FSR Carbon 26

Compared with the Trek Fuel EX in 18.5", the Specialized Stumpjumper FSR Carbon 26 in XL places the top of the head tube 38 mm higher and 43 mm further forward, relative to the bottom bracket. Its wheelbase is 50 mm longer, which can contribute to stability at speed.

Frame stack
+38 mm
Higher front end
Frame reach
+43 mm
Longer frame reach
Wheelbase
+50 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
−5 mm
Shorter: livelier

The two frames

2013 Trek Fuel EX (18.5") and 2012 Specialized Stumpjumper FSR Carbon 26 (XL), lined up at the bottom bracketBoth frames drawn to scale. The Trek Fuel EX is drawn in full with its measurements, and the Specialized Stumpjumper FSR Carbon 26 is the colored outline on top.J 1131

Trek Fuel EX, 18.5"Specialized Stumpjumper FSR Carbon 26, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Fuel EX 18.5"Specialized Stumpjumper FSR Carbon 26 XLDifference
Reach431474mm+43 mm
Stack568606mm+38 mm
Head tube angle68.0°68°±0.0°
Seat tube angle68.5°70°+1.5°
Effective top tube605not listed
Chainstay length425420mm−5 mm
Wheelbase11311181mm+50 mm
BB drop51mm−4 mm
BB height338338mm±0 mm
Standover730761mm+31 mm
Seat tube length445523mm+78 mm
Head tube length132150mm+18 mm

Differences are the Specialized Stumpjumper FSR Carbon 26 minus the Trek Fuel EX. Full charts: 2013 Trek Fuel EX, 2012 Specialized Stumpjumper FSR Carbon 26.

Where each sits in its class

Trek Fuel EXSpecialized Stumpjumper FSR Carbon 26

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.

PartTrek Fuel EX5Specialized Stumpjumper FSR Carbon 26S-Works Carbon 26
FrameTrek Alpha Platinumnot listed
ForkRockShox ReconSpecialized Future Shock S140TA
ShifterSRAM X5SRAM XX
DerailleurSRAM X-5SRAM X.0, SRAM XX XX SL
CassetteSRAM PG-1030SRAM XX
CranksetSRAM S800not listed
WheelsetFormula DC-20Roval Control
TireBontrager XR3Specialized S-Works Purgatory, Specialized Ground Control
BrakeHayes Dyno SportAvid XX World
HeadsetFSA NO.57SCnot listed
SeatpostBontrager SSRSpecialized Command Post BlackLite
SaddleBontrager Evoke 1Specialized Henge Expert
Rear shocknot listedFox Brain
Chainnot listedKMC X10
Hubnot listedRoval Control SL
Stemnot listedSyntace F109

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