Quiver

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

The S is the Specialized Stumpjumper ST Men's 29 size closest to your S Trek Fuel EX 29 Alloy Frameset. 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 29 Alloy Frameset in S, the Specialized Stumpjumper ST Men's 29 in S places the top of the head tube 5 mm higher and 20 mm further forward, relative to the bottom bracket. Its wheelbase is 36 mm longer, which can contribute to stability at speed.

Frame stack
+5 mm
Higher front end
Frame reach
+20 mm
Longer frame reach
Wheelbase
+36 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 29 Alloy Frameset (S) and 2018 Specialized Stumpjumper ST Men's 29 (S), lined up at the bottom bracketBoth frames drawn to scale. The Trek Fuel EX 29 Alloy Frameset is drawn in full with its measurements, and the Specialized Stumpjumper ST Men's 29 is the colored outline on top.J 1105

Trek Fuel EX 29 Alloy Frameset, SSpecialized Stumpjumper ST Men's 29, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Fuel EX 29 Alloy Frameset SSpecialized Stumpjumper ST Men's 29 SDifference
Reach395415mm+20 mm
Stack602607mm+5 mm
Head tube angle68.8°67.5°−1.3°
Seat tube angle73.6°75.8°+2.2°
Effective top tube572569mm−3 mm
Chainstay length436437mm+1 mm
Wheelbase11051141mm+36 mm
BB drop3639mm+3 mm
BB height334333mm−1 mm
Standover780740mm−40 mm
Seat tube length394380mm−14 mm
Head tube length10595mm−10 mm
Fork lengthnot listed540mm

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

Where each sits in its class

Trek Fuel EX 29 Alloy FramesetSpecialized 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 29 Alloy Frameset29 Alloy FramesetSpecialized Stumpjumper ST Men's 29Men's S-Works 29
FrameTrek Alpha Platinumnot listed
HeadsetFSA IS2not listed
Forknot listedFox FLOAT 34 Factory
Rear shocknot listedFox Float DPS Factory
Shifternot listedSRAM XX1 Eagle
Derailleurnot listedSRAM XX1 Eagle
Cassettenot listedSRAM X01 Eagle
Chainnot listedSRAM XX1 Eagle
Cranksetnot listedSRAM XX1 Eagle
Tirenot listedSpecialized Butcher, Specialized Purgatory
Hubnot listedRoval Traverse
Rimnot listedRoval Traverse SL 29
Brakenot listedSRAM Guide RSC
Stemnot listedSyntace MegaForce 2
Gripsnot listedSpecialized Sip Grip
Seatpostnot listedSpecialized Command Post IRcc
Saddlenot listedSpecialized Phenom Expert

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