Quiver

2016 Trek Fuel EX 9.8 29 vs 2015 Specialized Stumpjumper FSR EVO 650b

The XL is the Specialized Stumpjumper FSR EVO 650b size closest to your XXL Trek Fuel EX 9.8 29. 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 Specialized Stumpjumper FSR EVO 650b

Compared with the Trek Fuel EX 9.8 29 in XXL, the Specialized Stumpjumper FSR EVO 650b in XL places the top of the head tube 22 mm higher and 13 mm further back, relative to the bottom bracket. Its wheelbase is 12 mm shorter, which can contribute to quicker direction changes.

Frame stack
+22 mm
Higher front end
Frame reach
−13 mm
Shorter frame reach
Wheelbase
−12 mm
Shorter: quicker to change direction
Head angle
−0.8°
Slacker: calmer steering
Chainstays
−1 mm
About the same

The two frames

2016 Trek Fuel EX 9.8 29 (XXL) and 2015 Specialized Stumpjumper FSR EVO 650b (XL), lined up at the bottom bracketBoth frames drawn to scale. The Trek Fuel EX 9.8 29 is drawn in full with its measurements, and the Specialized Stumpjumper FSR EVO 650b is the colored outline on top.J 1205

Trek Fuel EX 9.8 29, XXLSpecialized Stumpjumper FSR EVO 650b, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Fuel EX 9.8 29 XXLSpecialized Stumpjumper FSR EVO 650b XLDifference
Reach480467mm−13 mm
Stack639661mm+22 mm
Head tube angle68.8°68°−0.8°
Seat tube angle73.6°74°+0.4°
Effective top tube668643mm−25 mm
Chainstay length436435mm−1 mm
Wheelbase12051193mm−12 mm
BB drop36not listed
BB height334327mm−7 mm
Standover784754mm−30 mm
Seat tube length559523mm−36 mm
Head tube length145not listed

Differences are the Specialized Stumpjumper FSR EVO 650b minus the Trek Fuel EX 9.8 29. Full charts: 2016 Trek Fuel EX 9.8 29, 2015 Specialized Stumpjumper FSR EVO 650b.

Where each sits in its class

Trek Fuel EX 9.8 29Specialized Stumpjumper FSR EVO 650b

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 EX 9.8 299.8 29Specialized Stumpjumper FSR EVO 650b
FrameTrek OCLVnot listed
ForkFox 34 Float Performancenot listed
ShifterShimano Deore XTnot listed
DerailleurShimano Deore XTnot listed
CassetteShimano Deore XTnot listed
ChainShimano XTnot listed
CranksetShimano Deore XTnot listed
Bottom bracketTrek PF92not listed
WheelsetDT Swiss M1900not listed
TireBontrager XR3 Team Issuenot listed
BrakeShimano Deore XTnot listed
HandlebarBontrager Rhythmnot listed
StemBontrager Rhythmnot listed
HeadsetFSA IS2not listed
SeatpostRockShox Reverb Stealthnot listed
SaddleBontrager Evoke 3not listed

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