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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.
The Stumpjumper Alloy brings all-new suspension kinematics and progressive geometry into a full-alloy package that's both lightweight and extremely durable.
Specialized

Specialized Stumpjumper Alloy 2023 Mountain Bike in Rusted Red

£1,999.00 £2,100.00 4% off
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Specialized Stumpjumper Alloy 2023 Mountain Bike in Rusted Red

Season:2024

Brand:Specialized

Code:349342349172

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.

Features:

  • THE TRAIL BENCHMARK — When Specialized set out to design the all-new Stumpjumper, they pursued some hefty goals. It had to excel on any kind of trail, for every style of rider. To achieve that, they 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 they 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 — Specialized 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, they mean real light: 2,250 grams (S-Works, S-3 size, with rear shock).
Technical Information
  • 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
  • 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
  • Stem
    Alloy Trail Stem, 35mm bar bore
  • Handlebars
    Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width
  • Tape
    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
  • Front Brake
    Tektro Gemini Comp, hydraulic disc, resin pad, 200mm
  • Rear Brake
    Tektro Gemini Comp, hydraulic disc, resin pad, 180mm
  • Rear Derailleur
    SRAM SX Eagle, 12-speed
  • Shift Levers
    SRAM SX Eagle, trigger, 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
  • Rims
    Double-wall alloy, 27mm internal width, 28h
  • Front Hub
    Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
  • Rear Hub
    Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
  • Spokes
    Stainless, 14g
  • Front Tire
    Butcher, GRID casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
  • Rear Tire
    Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3"
  • Inner Tubes
    Standard, Presta Valve
Sizing Information

Specialized Trail and Electric Mountain Bike Size Guide Unisex

InchesCentimetersSizeSize
4'11" - 5'3"150 - 160XSS1
5'2" - 5'8"157 - 173SS2
5'5" - 5'11"165 - 180MS3
5'8" - 6'2"173 - 188LS4
5'10" - 6'4"178 - 193XLS5
6'2" - 6'8"188 - 203XXLS6

Specialized Electric Road Bike Size Guide Unisex

InchesCentimetersSize
5'0" - 5'4"152 - 163XS
5'1" - 5'5"158 - 165S
5'5" - 5'10"165 - 178M
5'10" - 6'1"178 - 185L
6'1" - 6'4"185 - 193XL
6'2" - 6'9"188 - 205XXL

Specialized Performance Road Bike Size Guide

InchesCentimetersSize
4'8" - 5'1"142 - 15544
5'1" - 5'4"155 - 16349
5'4" - 5'7"163 - 17052
5'7" - 5'10"170 - 17854
5'9" - 5'11"175 - 18356
5'11" - 6'2"180 - 18858
6'2" - 6'5"188 - 19661
6'5" - 6'9"196 - 20554

Specialized Hybrid and Electric Hybrid Bike Size Guide Unisex

InchesCentimetersSize
5'1" - 5'5"158 - 165S
5'5" - 5'10"165 - 178M
5'10" - 6'1"178 - 185L
6'1" - 6'4"185 - 193XL
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