Quiver

2016 Trek Fuel EX 9.9 29 vs 2018 Specialized Stumpjumper ST Men's 29

The M is the Specialized Stumpjumper ST Men's 29 size closest to your M Trek Fuel EX 9.9 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 ST Men's 29

Compared with the Trek Fuel EX 9.9 29 in M, the Specialized Stumpjumper ST Men's 29 in M places the top of the head tube 5 mm higher and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 25 mm longer, which can contribute to stability at speed.

Frame stack
+5 mm
Higher front end
Frame reach
+9 mm
Longer frame reach
Wheelbase
+25 mm
Longer: steadier at speed
Head angle
−1.3°
Slacker: calmer steering
Chainstays
+1 mm
About the same

The two frames

2016 Trek Fuel EX 9.9 29 (M) and 2018 Specialized Stumpjumper ST Men's 29 (M), lined up at the bottom bracketBoth frames drawn to scale. The Trek Fuel EX 9.9 29 is drawn in full with its measurements, and the Specialized Stumpjumper ST Men's 29 is the colored outline on top.J 1136

Trek Fuel EX 9.9 29, MSpecialized Stumpjumper ST Men's 29, MDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Fuel EX 9.9 29 MSpecialized Stumpjumper ST Men's 29 MDifference
Reach426435mm+9 mm
Stack602607mm+5 mm
Head tube angle68.8°67.5°−1.3°
Seat tube angle73.6°75.5°+1.9°
Effective top tube603592mm−11 mm
Chainstay length436437mm+1 mm
Wheelbase11361161mm+25 mm
BB drop3639mm+3 mm
BB height334333mm−1 mm
Standover766743mm−23 mm
Seat tube length420410mm−10 mm
Head tube length10595mm−10 mm
Fork lengthnot listed540mm

Differences are the Specialized Stumpjumper ST Men's 29 minus the Trek Fuel EX 9.9 29. Full charts: 2016 Trek Fuel EX 9.9 29, 2018 Specialized Stumpjumper ST Men's 29.

Where each sits in its class

Trek Fuel EX 9.9 29Specialized Stumpjumper ST Men's 29

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 9.9 299.9 29Specialized Stumpjumper ST Men's 29Men's S-Works 29
FrameTrek OCLVnot listed
ForkFox 34 FLOAT FactoryFox FLOAT 34 Factory
ShifterShimano XTRSRAM XX1 Eagle
DerailleurShimano XTRSRAM XX1 Eagle
CassetteShimano XTRSRAM X01 Eagle
ChainShimano XTRSRAM XX1 Eagle
CranksetRace Face Next SLSRAM XX1 Eagle
Bottom bracketTrek PF92not listed
WheelsetDT Swiss XMC 1200not listed
TireBontrager XR3 Team IssueSpecialized Butcher, Specialized Purgatory
BrakeShimano XTRSRAM Guide RSC
HandlebarBontrager Rhythmnot listed
StemBontrager RhythmSyntace MegaForce 2
HeadsetFSA IS2not listed
SeatpostRockShox Reverb StealthSpecialized Command Post IRcc
SaddleBontrager Evoke RXLSpecialized Phenom Expert
Rear shocknot listedFox Float DPS Factory
Hubnot listedRoval Traverse
Rimnot listedRoval Traverse SL 29
Gripsnot listedSpecialized Sip Grip

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