2026 S-Works Stumpjumper 15 EVO - Size S4

The Silver State Special is the fifth bike in our Sierra Bicycle Supply Custom Build Series — a celebration of cool, fun builds that ride as good as they look. Builder Kevin Malone designed this bike as a premium trail-focused machine blending top-tier performance, unique component selection, and one-of-one all-silver style into a truly special build.

Silver State Special — S-Works Silver State Special 1 of 1 Limited Edition Trail Build

A premium custom S-Works trail build centered around the Specialized S-Works Stumpjumper 15 EVO frameset and the ultra-rare SRAM 1987 Eagle Transmission AXS Limited Edition #1834 groupset. Purpose-built with top-tier suspension, carbon wheels, and elite trail-focused components throughout.

Frame

• Specialized S-Works Stumpjumper 15 EVO Frameset

• FACT 11m carbon chassis with carbon rear link

• Satin Shadow Silver / Ashen Grey / Gloss Black Liquid Metal

• Size S4

• 145mm rear wheel travel

• SWAT 4.0 internal downtube storage

• Adjustable geometry platform

• Compatible with full 29” or mixed-wheel setup

• FOX FLOAT X GENIE Factory rear shock

• Ride Dynamics Trail Tune

• Trail-focused geometry with enhanced descending capability and efficient climbing manners

Fork

• FOX 36 Factory Fork

• MY26

• 29”

• 160mm travel

• 44mm offset

• GRIP X2 damper

Drivetrain

• SRAM 1987 Eagle Transmission AXS Limited Edition Groupset

• Full wireless T-Type Transmission

• AXS rear derailleur

• POD Ultimate controller

• 170mm crankset

• Direct mount 32t chainring

• 10-52t cassette

Wheels

• Specialized Traverse HD i9 1/1 Carbon Front Wheel

  • 29”

  • 28H

  • Satin Carbon / Gloss Black

• Specialized Traverse HD i9 1/1 Carbon Rear Wheel

  • 29”

  • 32H

  • Satin Carbon / Gloss Black

Tires

• Front: Schwalbe Magic Mary Gravity Pro Radial

  • 29 x 2.50

  • Tubeless Ready

  • Addix Ultra Soft compound

• Rear: Schwalbe Albert Gravity Pro Radial

  • 29 x 2.5

  • Addix Ultra Soft compound

Brakes

• SRAM Maven Ultimate Stealth Brakes

• 4-piston

• Titanium hardware

• Front and rear

• HS2 200mm rotors

• Hydraulic setup with silver banjo hardware

Cockpit

• Specialized Traverse SL Carbon Handlebars

  • 35mm rise

  • 800mm width

• OAK Components Eternal Stem

  • 42mm length

  • Lunar Gray

• Bike Yoke Triggy Alpha Remote

  • Long lever

  • Silver

• Sensus Swazye Lite Lock-On Grips

  • Black / Gray

Seatpost & Saddle

• Bike Yoke Revive 3 MAX Dropper Post

  • 34.9mm

• Specialized S-Works Power Pro Saddle with Mirror

  • 143mm

Bottom Bracket

• Cane Creek Hellbender 70 Bottom Bracket

• BSA Threaded

• DUB

• 68/73mm

Build Highlights

• S-Works FACT 11m carbon chassis

• SRAM 1987 Limited Edition wireless Transmission drivetrain

• FOX Factory suspension front and rear

• GENIE shock technology

• SWAT 4.0 storage integration

• Adjustable geometry and wheel configuration

• Carbon wheelset

• Premium trail-focused configuration

• Tubeless-ready setup