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Stumpjumper Alloy

$2,699.99-$3,100.00

4.5

12 Reviews

The Stumpjumper Alloy brings all-new suspension kinematics and progressive geometry…

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How are carbon bikes made? Peter Denk talks Specialized Stumpjumper

Product Details

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The Stumpjumper Alloy brings all-new suspension kinematics and progressive geometry into a full-alloy package that's both lightweight and extremely durable. Outfitted with a no-fuss SRAM SX 12-speed groupset, the Stumpjumper Alloy is your all-access pass for trail adventure.

  • THE TRAIL BENCHMARK — When we set out to design the all-new Stumpjumper, we pursued some hefty goals. It had to excel on any kind of trail, for every style of rider. To achieve that, we went after serious weight reduction without sacrificing durability, a stiff, responsive chassis that still rides light and lively, geometry that improves everyone’s riding, and the best suspension kinematics we know how to design. Turns out, you can have your cake and eat it too with the new Stumpjumper.

  • THE SWEETEST 130MM OF TRAVEL YOU’LL EVER RIDE — We massaged the kinematics of the Stumpjumper suspension to bring out the very best all-round performance possible in a 130mm package. Countless hours of suspension lab development and field testing created a refined mid-travel ripper that eats big terrain like a gravity fed beast, handles like a dream everywhere, and climbs like it has a motor.

  • PROGRESSIVE GEOMETRY — The S-Sizing geometry of the new Stumpjumper hits the progressive sweet spot. It’s long, low and slack, with a short offset fork and a steeper seat tube angle. These numbers combine to make your ride more stable, more carvealicious, more comfortable climbing, more better everywhere. With FlipChip adjustability you’re able to further fine-tune your fit, ensuring that your new Stumpjumper performs flawlessly on whatever terrain you choose.

  • RIDER-FIRST ENGINEERED™ — Rider-First Engineered™ frames use a size-specific approach to ride characteristics that ensures benchmark handling and flawless performance, regardless of frame or rider size. Whether you’re a jump-happy grom riding an S1, or a DH-fiend giant in need of the lengthy S6, you’ll experience the same ride traits – rail-sharp cornering and balanced front and rear stiffness – at the lightest-possible weight, And by light, we mean real light: 2,250 grams (S-Works, S-3 size, with rear shock).

Technical Specifications

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Frameset

Frame

Alloy chassis and rear-end, asymmetrical design, 29 Trail Geometry, horst pivot BB adjustment, threaded BB, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel

Seat Binder

Alloy, 38.6mm

Suspension

Rear Shock

X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout S1:190x42.5mm, S2-S6: 190x45mm

Fork

RockShox 35 Silver, Solo Air, 44mm offset, rebound adjust, TurnKey lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 140mm of travel

Brakes

Front Brake

Tektro Gemini Comp, hydraulic disc, resin pad, 200mm

Rear Brake

Tektro Gemini Comp, hydraulic disc, resin pad, 180mm

Drivetrain

Shift Levers

SRAM SX Eagle, trigger, 12-speed

Rear Derailleur

SRAM SX Eagle, 12-speed

Cassette

SRAM PG-1210 Eagle, 11-50t

Chain

SRAM SX Eagle, 12-speed

Crankset

SRAM SX Eagle, S1:165mm, S2-S5: 170mm, S6: 175mm

Chainrings

30T

Bottom Bracket

SRAM Powerspline

Wheels & Tires

Rims

Double-wall alloy, 27mm internal width, 28h

Front Hub

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

Rear Hub

Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h

Spokes

Stainless, 14g

Front Tire

Butcher, GRID casing, GRIPTON® T7 compound, 29x2.3"

Rear Tire

Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3"

Inner Tubes

Standard, Presta Valve

Cockpit

Stem

Alloy Trail Stem, 35mm bar bore

Handlebars

Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width

Grips

Specialized Trail Grips

Saddle

Body Geometry Bridge Saddle, steel rails

SeatPost

TranzX dropper, 34.9mm, S1: 100mm, S2: 125mm, S3: 150mm. S4-S5: 170mm, S6- 200mm

Weight

Weight

15.93kg (35 lb, 1.9 oz)

Weight Size

S4

* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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S1S2S3S4S5S6
Crank Length165mm170mm170mm170mm170mm175mm
Handlebar Width780mm780mm780mm780mm780mm780mm
Stem Length40mm40mm40mm40mm50mm50mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length100mm125mm150mm170mm170mm200mm
Max Seatpost Insertion190mm190mm210mm230mm250mm270mm
Stack (Low BB)618mm613mm623mm631mm639mm649mm
Min Seatpost Insertion100mm100mm100mm100mm100mm100mm
Stack (High BB)614mm609mm618mm627mm640mm644mm
Reach (Low BB)410mm430mm450mm475mm500mm530mm
Reach (High BB)416mm435mm455mm480mm505mm535mm
Headtube Length100mm110mm120mm130mm140mm100mm
Headtube Angle (Low BB)65°65°65°65°65°65°
Headtube Angle (High BB)65.5°65.5°65.5°65.5°65.5°65.5°
BB Height (Low BB)327mm332mm332mm332mm332mm332mm
BB Height (High BB)339mm339mm339mm339mm334mm339mm
BB Drop (Low BB)47mm42mm42mm42mm42mm42mm
BB Drop (High BB)40mm35mm35mm35mm35mm35mm
Trail (Low BB)126mm126mm126mm126mm126mm126mm
Trail (High BB)122mm122mm122mm122mm122mm122mm
Fork Length (full)550mm550mm550mm550mm550mm550mm
Fork Rake/Offset44mm44mm44mm44mm44mm44mm
Front Centre726mm746mm770mm799mm828mm863mm
Chainstay Length (Low BB)454mm454mm444mm444mm444mm444mm
Chainstay Length (High BB)440mm440mm440mm440mm450mm450mm
Wheelbase (Low BB)1168mm1188mm1212mm1241mm1280mm1315mm
Wheelbase (High BB)1164mm1184mm1208mm1237mm1276mm1311mm
Top-tube Length (horizontal)676mm545mm563mm586mm615mm643mm
Bike Standover Height742mm742mm750mm753mm777mm784mm
Seat Tube Length385mm385mm405mm425mm445mm465mm
Seat Tube Angle (Low BB)77.7°77.7°77.5°77.2°77°76.9°
Seat Tube Angle (High BB)78.2°78.2°77.9°77.7°77.5°77.3°
Geometry

Rider Reviews

4.5

12 Reviews

 

Awesome

Owned an alloy stumpy for six months and still love it. I’ve ridden other bikes that just don’t have that feel like the stumpy. My favourite bike yet.


Name:
Rick

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Supero mis expectativas

Cuando recibí mi Stumpjumper, no había tenido ocasión de probarla, sólo confié en la marca y en algunos comentarios. Promé mi medida y cuando me llegó, me gustó el diseño, pero sobre todo cuando fuí al cerro sentí la suavidad con la que se come todos los terrenos. Mis rodillas no han sentido mayor resentimiento ya que la amortiguación hace lo suyo en los saltos, tampoco se siente muy pesada al subir cuestas empinadas. Seguiremos experimentando en ella y mientras no se rompa y siga funcionando igual, será una gran compañera.


Name:
manuel

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Incroyable

VTT génial partout et dans toute les disciplines. Je m'attendais a pire au niveau des freins mais nickel .Les points négatifs sont l'amortisseurs arrières et son poids ( supportable). Poste de pilotages et précisions parfaites . Je recommande fort !!


Name:
Gabin

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Stumpjumper

Great bike. Great on trails and can even climb up hills really well. Wished it had some more gears but apart from that it’s an awesome bike.


Name:
Eamon

Helpful?

Surpris

En regardant les spécifications j'avoue avoir douté (frein tektro, amortisseur X-fusion, 16kg...) mais j'ai été agréablement surpris. Très polyvalent, stable en descente, ça freine fort, un peu lourd en côte mais ça s'emmène. L'amortisseur a un peu du mal à suivre le rythme sur les descentes cassantes, et le blocage de celui-ci est .. inexistant. Par contre la fourche nickel, super agréable et encaisse même de belles descentes. J'ai été déçu cependant de la peinture qui semble fragile (beaucoup de micro-rayures très vite) sur les zones non protégé par du film transparent. Donc à bien protéger avant de l'utiliser. Pneus, groupe transmission, tige de selle etc... RAS ça fait le job nickel. En somme un super vélo pour du trail, même engagé, très fun et stable en descente, je recommande ! Avec un amortisseur un chouïa meilleur et un vernis plus costaud il aurait mérité les 5 étoiles sans hésiter.


Name:
Antoine

Helpful?

Vtt génial

Ce vélo est top juste au niveau des Freins il s'on a revoir ne fraine paS bien mais c'est vélo est top pour les balades et jump


Name:
Milo

Helpful?

Wow!

Coming from a 2023 rockhopper this is leagues ahead. Granted, I was probably overworking my little hopper but what an amazing bike! The rockshox 35 is great for those who are not super crazy downhill riders but still jump every now and again. Climbs very well and the xfusion rear shock has a very easy to-access aluminum lockout lever. Overall amazing bike.


Name:
Danny

Helpful?

Stumpjumper

Stumpjumper très bon vélo fait pour faire de la descente et pas facilement de la monté à cause de son poids de 16 kg mais n’est pas fait pour faire une semaine de Bike Park vue les suspensions de début de game en conclusion ça reste un Vtt polivalent mais pour débuter.


Name:
Kali

Helpful?

Buy this bike!

Best bike ever!


Name:
Joshua

Helpful?

Amazing bike for those who want enter full suspension bikes world!

This is my first full suspension bike and I love it! Components are good enough for understanding how full suspension bikes are running. You can upgrade everything in future and make as good as Alloy Comp model or even better. Great on trails.

Would Recommend?
Yes!

Name:
Sergei P.

Helpful?

Fantastic bike, Excellent craftsmanship

I just got mine today and I love it. Very agile, Great parts set up. The frame has such beautiful welds and fits my hight perfectly S4 the flow of the frame is very smooth with the rear suspension. It's a very quiet bike. Thank you Specialized for making such works of art.

Would Recommend?
Yes!

Name:
Corey

Helpful?

Awesome quality

This bike is amazing quality and has been for the year that I've had it now. The fork and shock are still in excellent condition like everything else on the bike. Perfect for riding trails and jumps.

Would Recommend?
Yes!

Name:
Harvey

Helpful?

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