2025 Specialized Stumpjumper 15 Expert

Overview

The 2025 Specialized Stumpjumper 15 Expert eliminates compromise in modern trail riding. Built around a lightweight FACT 11m carbon chassis and featuring Specialized’s patent-pending GENIE shock technology, it delivers big-bike bump absorption while maintaining the agility and efficiency of a short-travel trail platform.

With SRAM GX Eagle T-Type AXS wireless shifting, FOX Performance Elite suspension, and fully adjustable geometry, the Stumpjumper 15 Expert is designed to adapt to the rider—not the other way around.

This bike is available for online purchase only.
Please allow up to 48 hours for order processing and shipping preparation.

Frame & Geometry

• FACT 11m carbon chassis and rear end

• SWAT 4.0 downtube storage system

• Six-way geometry adjustment

• Adjustable head angle and bottom bracket height

• Compatible with full 29” or mixed-wheel setups

• Optimized cockpit for traction and corner control

Designed for stability in rough terrain with nimble handling in tight sections.

Suspension

• Front: FOX FLOAT 36 Performance Elite – GRIP X2 damper

• Rear: FOX FLOAT Performance Elite with GENIE technology

• 145mm rear travel

• 2-position open/firm mode with 3-position compression adjustment

GENIE Shock Technology

• Coil-like traction through the bump zone

• Progressive air spring for improved bottom-out control

• Tunable mid-stroke and end-stroke support

• 39% fewer bottom-outs vs standard air springs

• 57% improved traction compared to traditional air shocks

Drivetrain

• SRAM GX Eagle T-Type AXS

• Wireless electronic shifting

• Compatible with electronic drivetrains only

• Precise, durable trail performance

Brakes

• SRAM Maven Bronze 4-piston brakes

• Powerful and consistent braking performance

Wheelset

• Roval Traverse wheels

• DT Swiss 370 hubs

• Durable, trail-ready construction

Dropper Post

• PNW LOAM dropper post

• Adjustable travel

Use Category

• Trail

Support & Durability

• Lifetime replacement of suspension pivot bearings to the original owner

• Built for long-term reliability and aggressive riding

Why It Matters

The Stumpjumper 15 Expert blends carbon efficiency, electronic shifting, and advanced suspension technology into one adaptable trail platform. GENIE shock tech enhances traction and bottom-out resistance, while adjustable geometry ensures the bike can be tuned precisely to rider preference and terrain demands.