Quiver

2025 Specialized Stumpjumper 15 Expert vs 2026 Specialized Stumpjumper 15 EVO

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 15 EVO

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−27 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2025 Specialized Stumpjumper 15 Expert (S4)The Specialized Stumpjumper 15 Expert frame drawn to scale.J 1244

Only the Specialized Stumpjumper 15 Expert is drawn. The Specialized Stumpjumper 15 EVO numbers we have for size S3 are missing the reach and stack.

Geometry side by side

MeasurementSpecialized Stumpjumper 15 Expert S4Specialized Stumpjumper 15 EVO S3Difference
Reach475not listed
Stack640not listed
Head tube angle64.564−0.5°
Seat tube angle76.576.5±0.0°
Effective top tube624596−28 mm
Chainstay length435435±0 mm
Wheelbase12441217−27 mm
BB drop3835−3 mm
BB height337340+3 mm
Standover745745±0 mm
Seat tube lengthnot listed405
Head tube lengthnot listed110

Differences are the Specialized Stumpjumper 15 EVO minus the Specialized Stumpjumper 15 Expert. Full charts: 2025 Specialized Stumpjumper 15 Expert, 2026 Specialized Stumpjumper 15 EVO.

Where each sits in its class

Specialized Stumpjumper 15 ExpertSpecialized Stumpjumper 15 EVO

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.

PartSpecialized Stumpjumper 15 ExpertExpertSpecialized Stumpjumper 15 EVOS-Works
FrameSpecialized FACT 11mSpecialized FACT 11m Carbon
ForkFox 36 Performance EliteFox 36 Factory GRIP X2
Rear shockFox Float Performance EliteFox Float X Factory
ShifterSRAM Pod ControllerShimano XTR M9250
DerailleurSRAM GX EagleShimano XTR
CassetteSRAM GX Eagle TransmissionShimano XTR M9250
ChainSRAM GX EagleShimano XTR
CranksetSRAM GX EagleShimano XTR
ChainringSRAM GX EagleShimano XTR
Bottom bracketSRAM DUBShimano BB93
WheelsetSpecialized Roval TraverseRoval Traverse SL II
TireSpecialized Butcher, Specialized EliminatorSpecialized Butcher, Specialized Eliminator
HubDT Swiss 370Industry Nine Hydra 2
RimRoval TraverseRoval Traverse SL
BrakeSRAM Maven BronzeShimano XTR
RotorSRAM HS2, SRAM MavenShimano XTR
HandlebarSpecialized 6000Race Face ERA
StemSpecialized TrailRace Face Turbine R
GripsDeity LockjawDeity Lockjaw
HeadsetSpecialized Integratednot listed
Dropper postPNW LoamFox Transfer Neo
SaddleSpecialized BridgeSpecialized S-Works Power Mirror
Seatpostnot listeddropper

Know what is on every bike.

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