Specialized Stumpjumper 15 EVO Alloy Comp

Specialized Stumpjumper 15 EVO Alloy Comp Overview

The Specialized Stumpjumper 15 EVO Alloy Comp is a trail mountain bike with an M5 alloy chassis, 145mm rear travel, Specialized GENIE Shock Technology, FOX suspension, SRAM Eagle 70 drivetrain, and SRAM DB8 Stealth brakes. It combines Trail Geometry, SWAT Door integration, head tube angle adjustment, a threaded bottom bracket, internal cable routing, sealed cartridge bearing pivots, and SRAM UDH compatibility.

The FOX FLOAT X Performance rear shock uses Specialized GENIE Shock Tech with Ride Dynamics Trail Tune, a 2-position lever, and LSR adjustment. The FOX FLOAT 36 Rhythm fork uses a GRIP damper, two-position Sweep adjustment, and size-specific travel with 150mm on S1 and 160mm on S2-S6. The build also includes Specialized hookless alloy tubeless-ready rims, sealed cartridge bearing hubs, GRID TRAIL tires, and an X-Fusion Manic dropper post.

Key Features of Specialized Stumpjumper 15 EVO Alloy Comp

• M5 alloy chassis and rear-end give the bike a durable trail frame with 145mm of rear travel.
• Specialized GENIE Shock Tech supports coil-like grip, bottom-out resistance, and independent mid-stroke and end-stroke tuning.
• FOX FLOAT X Performance rear shock includes Ride Dynamics Trail Tune, a 2-position lever, and LSR adjustment.
• FOX FLOAT 36 Rhythm fork uses a GRIP damper with two-position Sweep adjustment.
• SRAM Eagle 70 T-Type drivetrain gives the bike a 12-speed transmission setup with a 10-52t cassette.
• SRAM DB8 Stealth brakes provide 4-piston braking power for the Stumpjumper 15 EVO Alloy platform.
• Specialized hookless alloy rims use a 30mm inner width and tubeless-ready construction.
• Butcher and Eliminator GRID TRAIL tires pair Gripton T9 front compound with GRIPTON T7 rear compound.
• Internal SWAT Downtube Storage adds frame-integrated storage.
• Head tube angle adjustment and six geometry settings allow setup changes for stability or clearance.

Ride Use

This is a trail mountain bike for trail riding. The M5 alloy frame, 145mm rear travel, FOX suspension, GENIE Shock Tech, SRAM DB8 Stealth brakes, GRID TRAIL tires, and adjustable geometry support controlled riding on trail routes. The wheel setup uses a 29-inch front tire, with 27.5-inch rear tire on S1-S2 and 29-inch rear tire on S3-S6.

Why Choose This Bike

The Stumpjumper 15 EVO Alloy Comp combines an M5 alloy frame, GENIE shock technology, FOX suspension, SRAM Eagle 70 drivetrain, SRAM DB8 Stealth brakes, and internal SWAT downtube storage in one trail-focused build. It has Specialized hookless alloy tubeless-ready rims, sealed cartridge bearing hubs, size-specific cockpit details, and a weight of 16.55 kg / 36 lb 7.8 oz in size S4. It comes in Gloss Grey Blue, with frame and fork coverage under a lifetime warranty for the original owner and other Specialized-branded parts covered for 2 years.