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SpecializedStumpjumper 15 Comp Alloy (29")

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Aluminum
Shimano SLX
29"
Diamond
Disc Brakes
Introducing the Specialized Stumpjumper 15 Comp Alloy 29 from 2025—a mountain bike that's engineered to excite both novice riders and seasoned enthusiasts alike. This bike is designed for those who seek to tackle rugged terrains while enjoying the thrill of cycling. Whether you're out on a casual weekend ride or gearing up for a more intense trail challenge, this model is built to accommodate vari ...Read more

General

  • Frame materialAluminium
  • FrameM5 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

Wheels & Tires

  • HubAlloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
  • TiresFront: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3 Rear: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3"
  • WheelsSpecialized, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29

Cockpit

  • StemAlloy Trail Stem, 35mm bar bore
  • HandlebarSpecialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise; S3-S4: 800 width, 30mm rise; S5-S6: 800 width, 40mm rise

Groupset

  • CassetteShimano SLX, CS-M7100, 12-speed, 10-51t
  • Bottom BracketShimano, BB-MT801, Threaded
  • CranksetShimano SLX, M7120, 32T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm
  • ShiftersShimano SLX, M7100, 12spd
  • Rear DerailleurShimano SLX M7100, SGS, 12-speed
  • Chain / BeltShimano SLX, M7100, 12-speed

Saddle

  • SaddleBridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm
  • Seat PostX-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

Suspension

  • Fork typeVerende Vork
  • Front suspension140mm
  • ShockFOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/ LSR adjustment, S1:210x52.5mm, S2-S6:210x55mm
  • Fork ManufacturerFox

Note on Product Images, Product Description and Specifications

Deviations between specified and installed components are possible depending on the delivery situation. Alternatively installed components correspond to the quality level of the specified components.

Images used on the product pages may partly be sample images and may deviate from the actual configuration. The specified specifications are solely decisive for the scope of delivery and the specific product design.

The specified model year corresponds to the model series defined by the manufacturer and not necessarily to the year of manufacture. Since some models are produced unchanged over several years, the actual year of manufacture may vary. Regardless of this, you will receive a current product in accordance with the specified specifications.

Product descriptions may be partly automatically generated. Despite careful checking, errors cannot be completely ruled out. The product description is therefore not binding; in this case, too, only the specifications are decisive.

Subject to alterations and errors.

About Specialized

Specialized is a brand that’s been shaping the cycling world since 1974. Founded by riders, for riders, their story began with a passion for innovation and pushing boundaries. Their philosophy? Every pedal stroke should feel like freedom - whether you're shredding trails, racing on the road, or commuting in the city. Specialized doesn’t just build bikes; they create experiences. From high-performance road bikes to durable mountain machines and versatile e-bikes, their product range has something for everyone. Riders rave about the precision, comfort, and durability, proving these bikes aren’t just made - they’re engineered with care. Specialized bikes are perfect for anyone chasing performance, adventure, or just a reliable ride. Whether you’re a seasoned cyclist or a casual rider, their bikes are tailored to elevate your experience. Ready to ride? Specialized invites you to join their world and see where the journey takes you.

More about Specialized:

Specialized Stumpjumper 15 Comp Alloy (29") 2025 | BikeExchange