Quiver

2018 Trek Fuel EX vs 2019 Specialized Stumpjumper ST Men's Comp Carbon 27.5

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Stumpjumper ST Men's Comp Carbon 27.5

Frame stack
−19 mm
Lower front end
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
+48 mm
Longer: steadier at speed
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−1 mm
About the same

The two frames

We can't draw these frames yet. The Trek Fuel EX numbers we have for size 15.5 are missing the reach and seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Fuel EX 15.5Specialized Stumpjumper ST Men's Comp Carbon 27.5 MDifference
Reachnot listed444mm
Stack609590mm−19 mm
Head tube angle6766.5°−0.5°
Effective top tube566591mm+25 mm
Chainstay length433432mm−1 mm
Wheelbase11221170mm+48 mm
BB drop3928mm−11 mm
BB height335325mm−10 mm
Standover760735mm−25 mm
Seat tube length394410mm+16 mm
Head tube length100110mm+10 mm
Seat tube anglenot listed76°
Fork lengthnot listed522mm

Differences are the Specialized Stumpjumper ST Men's Comp Carbon 27.5 minus the Trek Fuel EX. Full charts: 2018 Trek Fuel EX, 2019 Specialized Stumpjumper ST Men's Comp Carbon 27.5.

Where each sits in its class

Trek Fuel EXSpecialized Stumpjumper ST Men's Comp Carbon 27.5

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 EXSpecialized Stumpjumper ST Men's Comp Carbon 27.5Men's Comp Carbon 27.5 12-speed
Forknot listedFox FLOAT 34 Rhythm
Rear shocknot listedFox Float DPS Performance
Shifternot listedSRAM NX Eagle
Derailleurnot listedSRAM NX Eagle
Cassettenot listedSRAM NX Eagle
Chainnot listedSRAM NX Eagle
Cranksetnot listedSRAM NX Eagle
Bottom bracketnot listedSRAM DUB
Tirenot listedSpecialized Butcher, Specialized Purgatory
Rimnot listedRoval Traverse 27.5
Brakenot listedSRAM Guide R
Gripsnot listedSpecialized Sip Grip
Dropper postnot listedX-Fusion Manic
Seatpostnot listedX-Fusion Manic
Saddlenot listedSpecialized Phenom Comp

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