Quiver

2011 Specialized Stumpjumper FSR M5 vs 2013 Trek Fuel EX

The Trek Fuel EX size closest to your L is the 21.5". Compare the 21.5" instead

What changes on the Trek Fuel EX

Compared with the Specialized Stumpjumper FSR M5 in L, the Trek Fuel EX in 19.5" places the top of the head tube 19 mm lower and 6 mm further back, relative to the bottom bracket.

Frame stack
−19 mm
Lower front end
Frame reach
−6 mm
Shorter frame reach
Wheelbase
+2 mm
About the same
Head angle
−0.5°
Slacker: calmer steering
Chainstays
+5 mm
Longer: more planted

The two frames

2011 Specialized Stumpjumper FSR M5 (L) and 2013 Trek Fuel EX (19.5"), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper FSR M5 is drawn in full with its measurements, and the Trek Fuel EX is the colored outline on top.J 1147

Specialized Stumpjumper FSR M5, LTrek Fuel EX, 19.5"Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR M5 LTrek Fuel EX 19.5"Difference
Reach452mm446−6 mm
Stack594mm575−19 mm
Head tube angle68.5°68.0°−0.5°
Seat tube angle70.5°68.5°−2.0°
Chainstay length420mm425+5 mm
Wheelbase1147mm1149+2 mm
BB height335mm338+3 mm
Standover753mm740−13 mm
Seat tube length483mm470−13 mm
Effective top tubenot listed622
BB dropnot listed5
Head tube lengthnot listed140

Differences are the Trek Fuel EX minus the Specialized Stumpjumper FSR M5. Full charts: 2011 Specialized Stumpjumper FSR M5, 2013 Trek Fuel EX.

Where each sits in its class

Specialized Stumpjumper FSR M5Trek 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 M5M5Trek Fuel EX5
Rear shockFox Brain Shocknot listed
Framenot listedTrek Alpha Platinum
Forknot listedRockShox Recon
Shifternot listedSRAM X5
Derailleurnot listedSRAM X-5
Cassettenot listedSRAM PG-1030
Cranksetnot listedSRAM S800
Wheelsetnot listedFormula DC-20
Tirenot listedBontrager XR3
Brakenot listedHayes Dyno Sport
Headsetnot listedFSA NO.57SC
Seatpostnot listedBontrager SSR
Saddlenot listedBontrager Evoke 1

Know what is on every bike.

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