QuiverAdd this bike to my garage
Trail

SpecializedStumpjumper 15 2026

Stumpjumper 15

The 2026 Specialized Stumpjumper 15 is a trail bike offered in 6 sizes, S1 to S6. Reach runs from 400 to 525 mm and stack from 611 to 671 mm. It ships with Shimano XTR and Roval Traverse SL II.

20266 sizes73 verified measurements

Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing.

Verified, two or more sources agreeNot yet verified

Key facts

Brand
Specialized
Model
Stumpjumper 15
Model year
2026
Type
Trail
Sizes
S1, S2, S3, S4, S5, and S6
Verified measurements
73 of 78
Last checked
Frame drawing

2026 Specialized Stumpjumper 15 drawn to scale

2026 Specialized Stumpjumper 15 frame drawing, size S3Side view of the 2026 Specialized Stumpjumper 15 frame in size S3, drawn to scale from its verified geometry, with lettered dimension lines.J 1217
Drawn from the size S3 numbers in the table below. A reachB stackD head tube angleE seat tube angleC effective top tubeH chainstayJ wheelbaseK bb dropL standoverG seat tube lengthF head tube lengthN bb height
Geometry

2026 Specialized Stumpjumper 15 geometry by size

2026 Specialized Stumpjumper 15 geometry by size
MeasurementS1S2S3S4S5S6
Reach(mm)400mm420mm445mm470mm495mm525mm
Stack(mm)611mm621mm630mm644mm658mm671mm
Head tube angle(°)64°64°64°64°64°64°
Seat tube angle(°)77.7°76.5°76.5°76°76°76°
Effective top tube(mm)542mm574mm596mm625mm649mm678mm
Chainstay length(mm)430mm432mm435mm435mm445mm445mm
Wheelbase(mm)1153mm1186mm1217mm1249mm1290mm1327mm
BB drop(mm)38mm35mm35mm35mm35mm35mm
BB height(mm)337mm340mm340mm340mm340mm340mm
Standover(mm)738mm751mm745mm745mm745mm751mm
Seat tube length(mm)385mm385mm405mm425mm445mm465mm
Fork length(mm)561mmnot yet verifiednot yet verifiednot yet verifiednot yet verifiednot yet verified
Head tube length(mm)95mm100mm110mm125mm140mm155mm
73 of 78 measurements verified.

Last checked .

Stock build

2026 Specialized Stumpjumper 15 stock build

21 parts. Specs shown only where two or more sources agree.

Frame

Specialized FACT 11m
Frame

Suspension

Fox 36 Float
Fork
Fox Float X
Rear shock

Drivetrain

Shimano XTR
Shifter
Shimano XTR
Derailleur
Shimano XTR
Cassette
Shimano XTR
Chain
Shimano XTR
Crankset
Shimano XTR
Chainring
Shimano BB93
Bottom bracket

Wheels & Tires

Roval Traverse SL II
Wheelset
Specialized Butcher
Tire · Weight ~1060
Specialized Eliminator
Tire
Industry Nine Hydra 2
Hub

Brakes

Shimano XTR
Brake
Shimano XTR
Rotor

Cockpit

Race Face Era Carbon
Handlebar
Race Face Turbine R
Stem · Bar clamp diameter 35mm · Rise 0°
Deity Lockjaw
Grips

Seatpost & Saddle

Fox Transfer NEO
Dropper post
Specialized S-Works Power
Saddle

Quick answers

What sizes does the 2026 Specialized Stumpjumper 15 come in?

It comes in 6 sizes: S1, S2, S3, S4, S5, and S6.

What are the reach and stack of the 2026 Specialized Stumpjumper 15 in size S4?

In size S4, reach is 470 mm and stack is 644 mm.

What is the head tube angle of the 2026 Specialized Stumpjumper 15?

The head tube angle is 64 degrees in every size.

What does the 2026 Specialized Stumpjumper 15 S-Works ship with?

The stock build includes Specialized FACT 11m, Fox 36 Float, Shimano XTR, and Roval Traverse SL II.

Which years of the Specialized Stumpjumper 15 are in the catalog?

The catalog has the Specialized Stumpjumper 15 for 2026 and 2025.

Other frames

Other frames of the 2026 Stumpjumper 15

Stumpjumper 15 Pro
Other years

Other years of the Stumpjumper 15

2025 Stumpjumper 15
Quiver

Ride a Stumpjumper 15? Keep it in your garage.

Add this bike to Quiver and it arrives with its geometry and stock parts already filled in. Swap parts as you change them, and your build sheet stays true.

Add this bike to my garage Opens Quiver if you have it, or the App Store if you don't. Free.
Add this bike to my garageFree