Stumpjumper Alloy

From £1,899.00
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The Specialized Stumpjumper Alloy with new suspension and modern geometry is durable yet lightweight. Features SRAM SX 12-speed groupset for trail excellence.

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.

FRAMEAlloy 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
REAR SHOCKX-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout S1:190x42.5mm, S2-S6: 190x45mm
FORKRockShox 35 Silver, Solo Air, 44mm offset, rebound adjust, TurnKey lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 140mm of travel
STEMAlloy Trail Stem, 35mm bar bore
TAPESpecialized Trail Grips
HANDLEBARSSpecialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 800mm width
FRONT BRAKETektro Gemini Comp, hydraulic disc, resin pad, 200mm
REAR BRAKETektro Gemini Comp, hydraulic disc, resin pad, 180mm
REAR DERAILLEURSRAM SX Eagle, 12-speed
SHIFT LEVERSSRAM SX Eagle, trigger, 12-speed
CASSETTE SRAM PG-1210 Eagle, 11-50t
CHAINSRAM SX Eagle, 12-speed
CRANKSETSRAM SX Eagle, DUB, S1:165mm, S2-S5: 170mm, S6: 175mm
CHAINRINGSSteel, 30T
BOTTOM BRACKET SRAM Powerspline
RIMS700c disc, double-wall alloy, sleeved, 32h
FRONT HUBAlloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
REAR HUBAlloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
FRONT TYREButcher, GRID casing, GRIPTON® compound, 29x2.3""
REAR TYREPurgatory, GRID Casing, GRIPTON® compound, 29x2.3""
SPOKESStainless, 14g
INNER TUBESStandard, Presta valve
SADDLEBody Geometry Bridge Saddle, steel rails
SEATPOSTTranzX dropper, 34.9mm, XS-S: 100mm, M: 120mm, L/XL: 150mm Travel
SEAT BINDERAlloy, 38.6

Please note: Manufacturers can sometimes change the specification of the products from time to time.

Lifetime warranty* to the original owner against structural defects in material or workmanship on ALL models of Specialized-branded frames and forks

  • Includes seatstays and chainstays on full-suspension bikes
  • Does not include suspension forks and suspension parts
  • Does not include paint and graphics (these are covered below)

* Register your bike, frameset, or Roval wheels within the first 90 days of purchase for a lifetime warranty to the original owner.

Read the full warranty here

When you purchase a bike from Specialized Concept Stores, you'll receive a complimentary tune-up service at your nearest store within 6 weeks of bike delivery.

This free service is designed to ensure that the bike you've chosen is operating optimally and to make any necessary adjustments, such as cable stretching, common with new bikes.

However, if you encounter any issues with your bike at any point, we strongly advise you to cease riding and promptly book your bike in for its complimentary service to ensure your safety and riding pleasure.

When you receive your bike, you'll be pleasantly surprised at how effortless it is to get it road-ready. We've designed the assembly process to be as straightforward as possible, so you can start enjoying your new ride without delays.

All you need to do is install the handlebars, pedals, and wheels. It's a quick and hassle-free process that requires no advanced technical skills. Our user-friendly instructions and included tools will guide you through each step, ensuring a smooth and secure assembly.

Whether you're an experienced cyclist or new to bike assembly, you can trust that the process will be a breeze. Within no time, your bike will be fully assembled, and you'll be ready to hit the road, trail, or bike path with confidence.

When you buy a bike from us you will get a free service at your nearest store within 6 weeks of taking delivery of your bike.

The free service is put in place to make sure the bike you have purchased is running correctly and to adjust out any cable stretch that happens to any new bike.

The type of bike you have bought and the type of riding you have planned will affect how soon you need to book your free service.

  • Light use - 6 weeks
  • Daily commuting / moderate use - 4 weeks
  • Hard / aggressive use - After the first 2 rides

However if you experience any issues at any time you should stop riding your bike and book your bike in for its free service immediately.

Cycle to Work Scheme: Affordable Riding for UK Employees

Unlock a cost-effective way to own the bike of your dreams through the Cycle to Work Scheme. This initiative, available to employees in the UK, lets you enjoy the benefits of cycling while saving on your bike purchase.

With the Cycle to Work Scheme, you can use your pre-tax salary to acquire a brand-new bicycle and essential cycling accessories. This means significant savings for you, as your salary sacrifice reduces both your income tax and National Insurance contributions.

The process is seamless: Choose the bike that suits your needs and budget from our extensive range. Your employer will then set up a salary sacrifice arrangement, spreading the cost of your bike over a specified period, typically 12 to 18 months.

Once the salary sacrifice period ends, you have the option to own the bike outright for a nominal fee, ensuring you get to keep and enjoy your trusted two-wheeled companion for years to come.

Experience the freedom of cycling, save money, and reduce your carbon footprint with the Cycle to Work Scheme. Join countless UK employees who have already embraced this eco-friendly and wallet-friendly way of commuting.