Quiver

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

The M is the Specialized Stumpjumper FSR EVO 650b size closest to your ML 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 ML, the Specialized Stumpjumper FSR EVO 650b in M places the top of the head tube 8 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 14 mm shorter, which can contribute to quicker direction changes.

Frame stack
+8 mm
Higher front end
Frame reach
−11 mm
Shorter frame reach
Wheelbase
−14 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 (ML) and 2015 Specialized Stumpjumper FSR EVO 650b (M), 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 1151

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

Geometry side by side

MeasurementTrek Fuel EX 9.8 29 MLSpecialized Stumpjumper FSR EVO 650b MDifference
Reach437426mm−11 mm
Stack611619mm+8 mm
Head tube angle68.8°68°−0.8°
Seat tube angle73.6°74°+0.4°
Effective top tube617not listed
Chainstay length436435mm−1 mm
Wheelbase11511137mm−14 mm
BB drop36not listed
BB height334327mm−7 mm
Standover780729mm−51 mm
Seat tube length445430mm−15 mm
Head tube length115not 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 650bS-Works EVO 650b
FrameTrek OCLVnot listed
ForkFox 34 Float PerformanceRockShox Pike RCT3
ShifterShimano Deore XTSRAM XX1
DerailleurShimano Deore XTSRAM XX1
CassetteShimano Deore XTSRAM XX1
ChainShimano XTSRAM PC-XX1
CranksetShimano Deore XTnot listed
Bottom bracketTrek PF92not listed
WheelsetDT Swiss M1900not listed
TireBontrager XR3 Team IssueSpecialized Butcher Control, Specialized Slaughter Control
BrakeShimano Deore XTShimano XTR
HandlebarBontrager Rhythmnot listed
StemBontrager RhythmSyntace F109
HeadsetFSA IS2not listed
SeatpostRockShox Reverb StealthSpecialized Command Post IR
SaddleBontrager Evoke 3Specialized Henge Expert
Rear shocknot listedFox Float CTD Factory
Hubnot listedRoval Traverse
Rimnot listedRoval Traverse SL Fattie
Gripsnot listedSpecialized Sip Grip

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