Stumpjumper 15 EVO Comp Alloy Bike – 2026

Unleash your trail riding potential with the 2026 Specialized Stumpjumper 15 EVO Comp Alloy Bike. This full-suspension mountain bike is equipped with the groundbreaking GENIE air spring technology, offering a coil spring feel for maximum traction and a progressive air spring rate to avoid bottom-outs. With six distinct geometry settings, you can fine-tune your ride to match your style and terrain. Whether you’re navigating rocky descents or climbing steep inclines, the unmatched personalization of this bike ensures an exhilarating, efficient ride. Plus, with the option to choose between mixed wheels or 29ö, you’re in full control of your trail experience. Enjoy the future of riding, free of compromises.

Features

• Unmatched Personalization: Six-way geometry adjustment, mixed wheel or 29, tunable spring curve, and more
• GENIE – The Magic Carpet Ride: The biggest innovation on the Stumpjumper 15 Alloy is GENIE. This patent-pending air spring technology grants every trail rider three wishes: the maximum grip and traction of a coil spring feel, better bottom-out prevention than a standard air spring, and the ability to tune mid-stroke and end-stroke support independently
• Illuminating GENIE: GENIE combines the control-enhancing linear spring rate of a coil spring through the bump zone with the progressive spring rate of an air spring at the end of the stroke to avoid bottom-outs. Truly, it’s the best of both worlds coil and air with extra tunability. Say goodbye to compromises and hello to the future of riding
• What Bump?: With 16.3% better bump force management than a traditional air-sprung shock, GENIE makes the Stumpjumper 15 Alloy ride like a bike with more travel. For example, the Stumpjumper 15 Alloy (with 145 mm rear wheel travel) and our Enduro (170 mm travel) both use 101 mm of travel to absorb a 1080 N bump force
• Traction Galore: Extensive field testing proves that Stumpjumper 15 Alloy with GENIE delivers 57% better traction than a standard air-sprung shock because GENIE technology gives you supple, coil-like performance, which keeps the wheel in contact with the ground a greater percent of the time than a typical air spring would
• Bye, Bye, Bottom-Outs: 39% fewer bottom-outs than a standard air spring. During big hit events, you benefit from the rising rate in the last 30% of the GENIE stroke. Because of this two-stage, pronounced rising rate, GENIE reduces the frequency and severity of bottom-outs
• Honed Geometry: This bikes geometry delivers big bike capability when you need it, a nimble feel in tight sections, and lively, efficient climbing manners. The generous cockpit centers you on the bike, optimizing traction and corner control. The low bottom bracket, slack head tube angle, and optimized fork offset keep things stable in the rough
• Ride Your Way: The Stumpjumper 15 Alloy seamlessly integrates benchmark geo adjustability, making it the most personalizable trail bike ever. Six distinct geometry settings allow you to hone performance for any style, any terrain. The head angle and bottom bracket height can be fine-tuned for stability or clearance
• Wheel Choice: With aftermarket shock links, you can choose between big wheels front and rear or mix things up with a 27.5 rear for a more responsive and playful ride. No matter what you choose, geometry is unaffected
• Carry it All: SWAT on Stumpjumper 15 Alloy elevates downtube storage
• More Relentless Than You: Full-suspension bikes are built to be relentless, designed to endure years of hard riding, and backed by the best support and policies to keep you on the trail. Unbeatable lifetime, no-questions-asked replacement suspension pivot bearings to the original owner is just one way Specialized has you covered

Tech Specs

• Brakes

  • Front Brake

    SRAM DB8 Stealth

  • Rear Brake

    SRAM DB8 Stealth

• Cockpit

  • Handlebars

    Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S6: 800 width, 50mm rise

  • Stem

    Alloy Trail Stem, 35mm bar bore

  • Grips

    Specialized Trail Grips

  • Saddle

    Bridge Comp, Hollow Cr-mo rails S1-S2: 155mm, S3-S6:143mm

  • Seatpost

    X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 190mm

• Drivetrain

  • Shift Levers

    SRAM EAGLE 70

  • Rear Derailleur

    SRAM Eagle 70 T-Type

  • Cassette

    SRAM 1270 Transmission Cassette, 12 Spd,10-52t

  • Chain

    SRAM 70 Transmission Chain

  • Crankset

    SRAM Eagle 70, 55mm chainline, 32T

  • Bottom Bracket

    SRAM DUB Threaded Wide

• Frameset

  • Frame

    M5 alloy chassis and rear-end, Trail Geometry, SWAT Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel

  • Seat Binder

    Alloy, 38.6mm

• Other

  • Accessories

    Internal SWAT Downtube Storage

• Suspension

  • Fork

    FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset S1:150mm of travel, S2-S6:160mm of travel

• Weight

  • Weight

    36 lb, 7.8 oz

• Wheels & Tires

  • Rims

    Specialized, hookless alloy, 30mm inner width, tubeless ready

  • Front Hub

    Specialized alloy front hub disc, sealed cartridge bearings, 6-bolt, 15x110mm thru-axle, 28h

  • Rear Hub

    Specialized alloy rear hub disc, sealed cartridge bearings, 6-Bolt, 12X148mm thru-axle, 28h, HD Steel Fhb

  • Front Tire

    Butcher, GRID TRAIL casing, Gripton T9 compound, 29X2.4

  • Rear Tire

    Eliminator, GRID TRAIL casing, GRIPTON T7 compound, TLR, S1-S2: 27.5×2.4, S3- S6: 29×2.4"

  • Inner Tubes

    Standard, Presta Valve

  • Spokes

    DT Swiss Elemental