Quiver

2011 Specialized Stumpjumper FSR Elite vs 2013 Trek Fuel EX

The 21.5" is the Trek Fuel EX size closest to your L Specialized Stumpjumper FSR Elite. 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 Trek Fuel EX

Compared with the Specialized Stumpjumper FSR Elite in L, the Trek Fuel EX in 21.5" places the top of the head tube 3 mm lower and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 29 mm longer, which can contribute to stability at speed.

Frame stack
−3 mm
Lower front end
Frame reach
+15 mm
Longer frame reach
Wheelbase
+29 mm
Longer: steadier at speed
Head angle
−0.5°
Slacker: calmer steering
Chainstays
+5 mm
Longer: more planted

The two frames

2011 Specialized Stumpjumper FSR Elite (L) and 2013 Trek Fuel EX (21.5"), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper FSR Elite is drawn in full with its measurements, and the Trek Fuel EX is the colored outline on top.J 1147

Specialized Stumpjumper FSR Elite, LTrek Fuel EX, 21.5"Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Elite LTrek Fuel EX 21.5"Difference
Reach452mm467+15 mm
Stack594mm591−3 mm
Head tube angle68.5°68.0°−0.5°
Seat tube angle70.5°68.5°−2.0°
Chainstay length420mm425+5 mm
Wheelbase1147mm1176+29 mm
BB height335mm338+3 mm
Standover753mm742−11 mm
Seat tube length483mm508+25 mm
Effective top tubenot listed648
BB dropnot listed5
Head tube lengthnot listed157

Differences are the Trek Fuel EX minus the Specialized Stumpjumper FSR Elite. Full charts: 2011 Specialized Stumpjumper FSR Elite, 2013 Trek Fuel EX.

Where each sits in its class

Specialized Stumpjumper FSR EliteTrek 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 EliteEliteTrek Fuel EX5
ForkFox F140 RLRockShox Recon
Rear shockFox Brain Shocknot listed
ShifterShimano SL-M660-10R SLXSRAM X5
DerailleurSRAM X-7, Shimano XTR M980 ShadowSRAM X-5
CassetteShimano HG81SRAM PG-1030
ChainKMC X10not listed
CranksetSRAM S-2200SRAM S800
TireSpecialized S-Works Purgatory, Specialized Captain ControlBontrager XR3
HubSpecialized Hi Lonot listed
RimDT Swiss X420SLnot listed
BrakeAvid ElixirHayes Dyno Sport
SaddleSpecialized HengeBontrager Evoke 1
Framenot listedTrek Alpha Platinum
Wheelsetnot listedFormula DC-20
Headsetnot listedFSA NO.57SC
Seatpostnot listedBontrager SSR

Know what is on every bike.

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