The 2019 Specialized Stumpjumper ST Alloy is an aluminium 29er trail bike with 120mm of travel at the rear and 130mm up front as well as a no-nonsense spec.

Specialized

Specialized Stumpjumper ST Alloy 29 2019 Mountain Bike

£1,800.00
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Specialized Stumpjumper ST Alloy 29 2019 Mountain Bike

Season : 2018

Brand : Specialized

Code : 94718-73

Weight : 2.4KG

The 2019 Specialized Stumpjumper ST Alloy is an aluminium 29er trail bike with 120mm of travel at the rear and 130mm up front as well as a no-nonsense spec.

Our design goal for the new Stumpjumper was simple—build the ultimate trail bike, one that feels telepathic. And it turns out that this feeling all comes down to stiffness. Think of it this way: when the frame's telling your hands one thing and your feet another, your brain gets confused with the imbalance and the bike feels unstable. In order to fix this, we had to get to work on dialing-in the materials and shapes.

We continued down the suspension path with a custom Rx Trail Tune on both the fork and rear shock. Suspension performance is highly dependent on frame, wheel, and rider size, so we use our Rx Tune to get each bike to land in the middle of the adjustment spectrum, and this gives you the biggest possible range to fine-tune your ride. Another focal point of the tune was matching the suspension characteristics between wheel sizes—we developed a specific Rx Tune for each platform. So, no matter what wheel size you prefer, you'll get perfectly linear suspension.

Steps were also taken to make this bike easy to live with. Threaded bottom brackets make a triumphant return, and we made room for up to a 3.0' tyre. You're also free to run whatever aftermarket rear shock you want, since we're using standard metric shocks. And customization is furthered with a Flip Chip that lets you to dial-in your Stumpy to your riding style. Switch it from High to Low and it drops your bottom bracket 6mm and slackens the head tube by half-a-degree. Little details also jump out to surprise you, like a newly designed ribbed chainstay protector that makes chain slap a thing of the past and nearly silences the drivetrain.

The build here is no-nonsense with a focus on dependable, high-performing parts, like Shimano SLX front and rear derailleurs, Tektro Gemini disc brakes, a RockShox Recon RL fork with 130mm of travel, a custom X-Fusion 02 Pro RL rear shock with 120mm of travel, and wide alloy wheels.

 

This Bike Is Perfect For

The rider looking for a fast rolling 29er full suspension trail bike that pedals efficiently but still has a playful amount of travel. A no-nonsense spec also makes the ST Alloy very budget friendly.

 

Key Features

  • The all-new alloy Stumpjumper ST frame features an M5 alloy front- and rear-end, an asymmetrical design, and our 29 Trail Geometry, so it's both capable and comfortable.
  • The X-Fusion Metric rear shock features rebound adjustment, lockout, and our coveted Rx Trail Tune to ensure you're getting the most out of your Stumpjumper ST.
  • A RockShox Recon RL provides 130mm of travel up front, and it lets you adjust both rebound and lockout.
  • €1,968.78
    EUR
  • $1,821.44
    USD
  • $2,688.26
    AUD
  • kr21,018.73
    SEK
  • kr16,291.92
    NOK
  • kr14,679.09
    DKK
  • $2,851.26
    NZD
  • ¥193,940.37
    JPY

Specialized are one of the biggest cycling brands in the world and have been a household name for decades, pioneering mountain biking with the Stumpjumper in the 80's and developing race winning road bikes for the likes of Le Tour De France and The Giro.

Specialized now make a full range of products for every discipline imaginable, innovating in electric trail bikes, developing premium quality yet affordable entry level bikes and designing clothing, helmets, shoes and accessories that blow many other brands out of the water.

Back in April, we posted about Specialized’s new Stumpjumper that had just been released. Back then the only models on sale were carbon, there were no aluminium bikes and the Evo wasn’t obtainable either. 

Now the full range is available in a broad selection of different geometries, specs and colours, meaning that there is a Stumpjumper for everyone and Specialized’s flagship mountain bike, with all its heritage is more diverse than ever.

Read our 2019 SPECIALIZED STUMPJUMPER SHORT TRAVEL, LONG TRAVEL & EVO blog post.

Technical Information

Technical Information

  • TECHNICAL SPECIFICATIONS
    • FRAME
      M5 alloy chassis and rear end, asymmetrical design, 29 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 120mm of travel
    • FORK
      RockShox Recon RL, Solo Air, 51mm offset, rebound adjust, lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 130mm of travel
    • REAR SHOCK
      X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout 190x42.5mm
    • FRONT HUB
      Specialized, sealed cartridge bearings, 15x110mm spacing, 32h
    • REAR HUB
      Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h
    • SPOKES
      Stainless, 14g
    • RIMS
      Double-wall, 27mm internal width, 32H
    • INNER TUBES
      Presta, 40mm valve
    • FRONT TYRE
      Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
    • REAR TYRE
      Purgatory, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
    • CRANKSET
      SRAM NX, Boost™, direct-mount XSYNC, Powerspline
    • CHAINRINGS
      30T
    • BOTTOM BRACKET
      SRAM Power Spline
    • SHIFT LEVERS
      Shimano SLX, 11-speed
    • REAR DERAILLEUR
      Shimano SLX, Shadow Plus, GS cage, 11-speed
    • CASSETTE
      Sunrace, ED Black, 11-speed, 11-46t
    • CHAIN
      KMC X11, 11-speed w/ Missing Link™
    • FRONT BRAKE
      Tektro Gemini Comp, hydraulic disc, resin pad, 200mm rotor
    • REAR BRAKE
      Tektro Gemini Comp, hydraulic disc, resin pad, 180mm rotor
    • HANDLEBARS
      Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm width
    • GRIPS
      Specialized Sip Grip, half-waffle, slip-on
    • STEM
      Specialized, 3D forged alloy, 4-bolt, 7-degree rise
    • SADDLE
      Body Geometry Henge Sport, steel rails, 143mm
    • SEATPOST
      Alloy, two-bolt clamp, 34.9mm
    • SEAT BINDER
      Specialized bolt-type, alloy, 38.6mm
    • PEDALS
      Specialized Dirt
Technical Information
Sizing Information

 

  S M L XL
BB Drop 39mm 39mm 39mm 39mm
BB Height 333mm 333mm 333mm 333mm
Bike Standover Height 750mm 756mm 769mm 770mm
Chainstay Length 437mm 437mm 437mm 437mm
Crank Length 170MM 170MM 170MM 170MM
Fork Length, Full 540mm 540mm 540mm 540mm
Fork Rake/Offset 51mm 51mm 51mm 51mm
Front Center 708mm 728mm 758mm 789mm
Handlebar Width 780mm 780mm 780mm 780mm
Head Tube Angle 67.5° 67.5° 67.5° 67.5°
Head Tube Length 100mm 100mm 125mm 140mm
Reach 415mm 435mm 455mm 480mm
Saddle Width 143mm 143mm 143mm 143mm
Seat Tube Angle 75.8° 75.5° 75.1° 74.7°
Seat Tube Length 380mm 410mm 455mm 505mm
Seatpost Length 375mm 375mm 435mm 435mm
Stack 612mm 612mm 635mm 649mm
Stem Length 50MM 50MM 50MM 50MM
Top Tube Length, Horizontal 570mm 593mm 624mm 657mm
Trail 99mm 99mm 99mm 99mm
Wheelbase 1143mm 1163mm 1192mm 1223mm

 

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