Quiver

2012 Specialized Stumpjumper FSR Comp EVO 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 Comp EVO in M, the Trek Fuel EX in 19.5" places the top of the head tube 17 mm lower and 32 mm further forward, relative to the bottom bracket. Its wheelbase is 20 mm longer, which can contribute to stability at speed.

Frame stack
−17 mm
Lower front end
Frame reach
+32 mm
Longer frame reach
Wheelbase
+20 mm
Longer: steadier at speed
Head angle
+1.0°
Steeper: sharper steering
Chainstays
+5 mm
Longer: more planted

The two frames

2012 Specialized Stumpjumper FSR Comp EVO (M) and 2014 Trek Fuel EX (19.5"), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper FSR Comp EVO is drawn in full with its measurements, and the Trek Fuel EX is the colored outline on top.J 1129

Specialized Stumpjumper FSR Comp EVO, MTrek Fuel EX, 19.5"Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Comp EVO MTrek Fuel EX 19.5"Difference
Reach414mm446+32 mm
Stack592mm575−17 mm
Head tube angle67°68.0°+1.0°
Seat tube angle69°68.5°−0.5°
Chainstay length420mm425+5 mm
Wheelbase1129mm1149+20 mm
BB drop4mm5+1 mm
BB height335mm338+3 mm
Standover744mm740−4 mm
Seat tube length430mm470+40 mm
Head tube length130mm140+10 mm
Effective top tubenot listed622

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

Where each sits in its class

Specialized Stumpjumper FSR Comp EVOTrek 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 Comp EVOComp EVOTrek Fuel EX6
ForkRockShox Revelation RLRockShox SEKTOR
Rear shockFox RP2not listed
ShifterSRAM X-7Shimano Deore
DerailleurSRAM X-7, SRAM X-9Shimano Deore, Shimano SLX Shadow
CassetteSRAM PG-1030Shimano HG62
ChainKMC X10not listed
CranksetSRAM S-1250Shimano Deore M522
TireSpecialized Butcher Control, Specialized Purgatory ControlBontrager XR3
HubSpecialized Hi Lonot listed
BrakeAvid Elixir 7 SLAvid Elixir 3
SeatpostSpecialized Command Post BlackLiteBontrager SSR
SaddleSpecialized HengeBontrager Evoke 1
Framenot listedTrek Alpha Platinum
Wheelsetnot listedFormula DC51
Headsetnot listedFSA NO.57SC

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet