Quiver

Specialized2025

2025 Specialized Stumpjumper 15 Comp

Trail

The 2025 Specialized Stumpjumper 15 Comp sits in the middle of the range for trail bikes, with a slacker head angle and a shorter rear center. Reach 400 to 530 mm, stack 608 to 667 mm. The Stumpjumper 15 Comp build comes with SRAM S1000 Eagle Transmission shifting and Specialized hookless alloy wheels.

Source: specialized.com. Checked .

Key facts

Model year
2025
Frame
Comp
Type
Trail
Geometry
Complete for every size
Source
specialized.com
Checked

Geometry by size

2025 Specialized Stumpjumper 15 Comp geometry drawing, size S3Side view of the 2025 Specialized Stumpjumper 15 Comp frame in size S3, drawn to scale from its published geometry, with lettered dimension lines.J 1213A 450mmB 627mmJ 1213mmH 435mmK 38mmC 595mmD 64.5°E 77.0°F 110mmG 405mmN 337mmL 745mmM 561mm
Geometry drawing, size S3, to scale.
2025 Specialized Stumpjumper 15 Comp geometry by size
MeasurementS1S2S3S4S5S6
Reach(mm)400425450475500530
Stack(mm)608618627640654667
Head tube angle(°)64.564.564.564.564.564.5
Seat tube angle(°)78777776.576.576.5
Effective top tube(mm)541573595624647677
Chainstay length(mm)430432435435445445
Wheelbase(mm)114911811213124412851322
BB drop(mm)413838383838
BB height(mm)334337337337337337
Standover(mm)738751745745745751
Seat tube length(mm)385385405425445465
Fork length(mm)551 (from the manufacturer)561 (from the manufacturer)561 (from the manufacturer)561 (from the manufacturer)561 (from the manufacturer)561 (from the manufacturer)
Head tube length(mm)95100110125140155
Sources agreeManufacturer

Stock build

21 parts

Frame

FrameFrom the manufacturer: Frame type Full SuspensionFrom the manufacturer: Category Trail

Suspension

Fox FLOAT 36 Rhythm
ForkFrom the manufacturer: Wheel size 29From the manufacturer: Front axle / spacing 15x110 (Boost)From the manufacturer: Offset 44mm
Fox Float Performance
Rear shock

Drivetrain

SRAM Pod Controller
Shifter
SRAM S1000 Eagle Transmission
Derailleur
CassetteFrom the manufacturer: Range 10-52
SRAM S1000
Crankset
SRAM S1000
ChainringFrom the manufacturer: Mount standard Direct MountFrom the manufacturer: Speeds 12
SRAM DUB
Bottom bracket

Wheels & Tires

WheelsetFrom the manufacturer: Rim material AluminumFrom the manufacturer: Spoke count 28
TireFrom the manufacturer: Wheel size 29From the manufacturer: Width 2.3From the manufacturer: Bead FoldingFrom the manufacturer: Tubeless ready 2Bliss ReadyWeight ~1060 g
TireFrom the manufacturer: Bead FoldingFrom the manufacturer: Tubeless ready 2Bliss Ready

Brakes

SRAM Maven Bronze
BrakeFrom the manufacturer: Piston count 4From the manufacturer: Fluid type MineralFrom the manufacturer: Lever adjustments Tool-free Reach
RotorDiameter 200mmWeight 192 g

Cockpit

HandlebarFrom the manufacturer: Clamp diameter 35mmFrom the manufacturer: Material AluminumFrom the manufacturer: Backsweep 8°From the manufacturer: Upsweep 6°
Specialized Trail Stem
StemFrom the manufacturer: Steerer diameter 1.5"From the manufacturer: Rise 5°

Seatpost & Saddle

Dropper post
SeatpostFrom the manufacturer: Material AluminumFrom the manufacturer: Clamp style Two-Bolt

Keep your Stumpjumper 15 Comp in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2025 Specialized Stumpjumper 15 Comp?
Geometry is listed for S1, S2, S3, S4, S5, and S6.
What are the reach and stack of the 2025 Specialized Stumpjumper 15 Comp in size S4?
In size S4, reach is 475 mm and stack is 640 mm.
What is the head tube angle of the 2025 Specialized Stumpjumper 15 Comp?
The head tube angle is 64.5 degrees in every size.
What does the 2025 Specialized Stumpjumper 15 Comp ship with?
The stock build includes Specialized FACT 11m, Fox FLOAT 36 Rhythm, SRAM Pod Controller, and Specialized hookless alloy.
Which years of the Specialized Stumpjumper 15 are on Quiver?
Quiver has the Specialized Stumpjumper 15 for 2025 and 2026.

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet

Quiver keeps track of the bikes you own.

Free on App StoreFree on Google Play