Specialized S-Works Stumpjumper 15

Specialized S-Works Stumpjumper 15 Overview

The Specialized S-Works Stumpjumper 15 is a trail mountain bike with a FACT 11m carbon chassis, rear-end, and link, 145mm rear travel, FOX Factory suspension with Specialized GENIE Shock Tech, SRAM XX Eagle T-Type AXS drivetrain, and SRAM Maven Ultimate hydraulic disc brakes. It combines Trail Geometry with SWAT Door integration, head tube angle adjustment, a threaded bottom bracket, internal brake and dropper cable routing, sealed cartridge bearing pivots, and SRAM UDH compatibility.

The FOX FLOAT Factory rear shock uses Ride Dynamics Trail Tune, a 2-position lever with 3-setting Open mode tuning range, LSR adjustment, and size-specific shock sizing. The FOX FLOAT 36 Factory fork uses a GRIP X2 damper, high-speed and low-speed rebound and compression adjustment, and size-specific travel with 140mm on S1 and 150mm on S2-S6. The build also includes Roval Traverse SL II hookless carbon wheels, DT Swiss 240 hubs, SRAM XX Eagle SL Transmission parts, Roval Traverse SL Carbon handlebars, and a RockShox Reverb AXS seatpost.

Key Features of Specialized S-Works Stumpjumper 15

• FACT 11m carbon chassis, rear-end, and link give the bike a carbon trail frame with 145mm of rear travel.
• Specialized GENIE Shock Tech is built into the FOX FLOAT Factory rear shock for tunable suspension support.
• FOX FLOAT 36 Factory fork uses a GRIP X2 damper with high-speed and low-speed rebound and compression adjustment.
• SRAM XX Eagle T-Type AXS drivetrain gives the bike a wireless 12-speed transmission setup with a 10-52t cassette.
• SRAM Maven Ultimate 4-piston hydraulic disc brakes use a 200mm front HS2 rotor and size-specific rear rotor setup.
• Roval Traverse SL II hookless carbon rims use a 30mm inner width and tubeless-ready construction.
• DT Swiss 240 hubs and DT Swiss Aerolite spokes complete the wheel build.
• Butcher and Eliminator GRID TRAIL tires pair GRIPTON T9 front compound with GRIPTON T7 rear compound.
• SWAT 4.0 internal downtube storage adds integrated frame storage.
• RockShox Reverb AXS seatpost gives the bike an electronic dropper post setup.

Ride Use

This is a trail mountain bike for trail riding. The FACT 11m carbon frame, 145mm rear travel, FOX Factory suspension, SRAM Maven Ultimate 4-piston brakes, GRID TRAIL tires, and adjustable geometry match trail riding demands. The wheel setup uses a 29-inch front wheel, with 27.5-inch rear wheel on S1-S2 and 29-inch rear wheel on S3-S6.

Why Choose This Bike

The S-Works Stumpjumper 15 combines a FACT 11m carbon frame, Specialized GENIE Shock Tech, FOX Factory suspension, SRAM XX Eagle AXS drivetrain, SRAM Maven Ultimate brakes, and Roval Traverse SL II carbon wheels in one trail-focused build. It also has DT Swiss 240 hubs, DT Swiss Aerolite spokes, Roval Traverse SL Carbon handlebars, a RockShox Reverb AXS seatpost, and a weight of 13.56 kg / 29 lb 14.3 oz in size S4. It comes in Satin Gunmetal, with frame and fork coverage under a lifetime warranty for the original owner and other Specialized-branded parts covered for 2 years.