The 2019 Specialized Stumpjumper ST Expert 29 is a lightweight carbon trail bike with carbon wheels, 120mm of travel at the rear and 130mm up front as well as a 12 speed drivetrain.

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Specialized Stumpjumper ST Expert 29 2019 Mountain Bike

£3,500.00 £5,150.00
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Specialized Stumpjumper ST Expert 29 2019 Mountain Bike

Season : 2018

Brand : Specialized

Code : 94718-310

Weight : 0KG

The 2019 Specialized Stumpjumper ST Expert 29 is a lightweight carbon trail bike with carbon wheels, 120mm of travel at the rear and 130mm up front as well as a 12-speed drivetrain.

Trail bikes can't usually 'shred the gnarly stuff' and 'climb with your XC buddies,' but we're confident in saying that the Stumpjumper Expert ST 29 is totally capable of both. It combines precise handling, perfect suspension kinematics, and a complete abandon of proprietary nonsense with a slightly steeper geometry, less travel (130mm front/120mm rear), and 29-inch wheels to make it a true 'do-it-all' trail bike.

Specialized's 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, they had to get to work on dialing-in the materials, shapes, and the layout.

When designing the frame with the stiffness targets being a main goal, Specialized developed a radical new sidearm design. The front-end and rear-end are connected at three points, and the sidearm helps keep all these points super stiff and connected, all while taking about 100 grams out of the rear-end. More explicitly, this minimizes frame flex when the rear suspension is active.

The Stumpjumper has a custom Rx Trail Tune on both the fork and rear shock. Suspension performance is highly dependent on frame, wheel, and rider size, so Rx Tune is used 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—there is 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 there is room for up to a 3.0' tyre. You're also free to run whatever aftermarket rear shock you want, since it uses a standard metric shock. Specialized have revamped the SWAT™ box, too, making it sleeker, lighter, and with more volume.

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.

You seriously couldn't make cable routing any easier on carbon models. Full tubes can be found throughout the carbon frame, so all you have to do is push the cable and it'll come out the other end. No more lazy loop, hidden stashes of magnets, pokey spokes, or pillows to cry in.

For the build, you get a solid components package with a full SRAM GX1 Eagle drivetrain, SRAM Guide R disc brakes, RockShox Pike RC fork and a Deluxe RT3 rear shock (130/120mm of travel respectively), and Roval Traverse Carbon 29 wheels.

 

This Bike Is Perfect For

The rider that wants to keep up with his XC buddies on an uphill sprint and shred some technical singletrack on the same bike. If you are looking for the best ride quality money can buy without the flashy overkill, this is the bike for you.

 

Key Features

  • The Stumpjumper ST's asymmetrical, FACT 11m carbon fibre construction is lightweight, stiff, and ready for technical climbs and rowdy descents. It's built off of our 29 Trail Geometry, so it's both capable and comfortable. And with SWAT™ integration in the down tube, a threaded BB, easy cable routing, and a brand new chain silencer, it's ready for anything the trail, or you, throw at it.
  • With three different compression adjustments—open/pedal/lock—incredible damping performance, and our Rx Trail Tune, the RockShox Deluxe RT3 perfectly complements the Stumpjumper.
  • RockShox's Pike is known for its trail performance, and the RC found here has stiff stanchions, a Charger damper, and plenty of sensitivity.
  • €4,147.14
    EUR
  • $3,837.34
    USD
  • $5,608.87
    AUD
  • kr43,701.00
    SEK
  • kr35,019.79
    NOK
  • kr30,984.82
    DKK
  • $5,849.95
    NZD
  • ¥417,036.20
    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 SPECIFICATIONS
    • FRAME
      FACT 11m, full carbon chassis and rear end, asymmetrical design, 29 Trail Geometry, SWAT™ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 120mm of travel
    • FORK
      RockShox Pike RC, DebonAir, rebound / low-speed compression adjust, tapered steerer, 51mm offset, 15mm Maxle® Stealth thru-axle, 15x110mm Boost™, 130mm of travel
    • REAR SHOCK
      RockShox Deluxe RT3, Rx Trail Tune, rebound & 3-position compression adjust, 190x42.5mm
    • FRONT HUB
      Specialized, sealed cartridge bearings, 15x110mm spacing, 28h
    • REAR HUB
      Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
    • SPOKES
      DT Swiss Industry
    • RIMS
      Roval Traverse Carbon 29, hookless carbon, 30mm inner width, 28h, tubeless ready, hand-built
    • INNER TUBES
      Standard, Presta valve
    • FRONT TYRE
      Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
    • REAR TYRE
      Purgatory, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
    • CRANKSET
      Truvativ Descendant, aluminum, Boost™ 148, 170mm crankarm, 24mm spindle
    • CHAINRINGS
      30T
    • BOTTOM BRACKET
      SRAM GXP
    • SHIFT LEVERS
      SRAM GX Eagle, trigger, 12-speed
    • REAR DERAILLEUR
      SRAM GX Eagle, 12-speed
    • CASSETTE
      SRAM GX Eagle, 12-speed, 10-50t
    • CHAIN
      SRAM GX Eagle, 12-speed
    • FRONT BRAKE
      SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm
    • REAR BRAKE
      SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm
    • HANDLEBARS
      Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp
    • GRIPS
      Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
    • STEM
      Specialized Trail, forged alloy, 4-bolt, 5mm rise, 40mm
    • SADDLE
      Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
    • SEATPOST
      Command Post IRcc, 16-position micro-height adjustable, two-bolt head, bottom mount cable routing, remote SRL lever, 34.9mm, S: 130mm, M/L/XL: 160mm of travel
    • 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 740mm 743mm 755mm 768mm
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 707mm 727mm 758mm 789mm
Handlebar Width 780mm 780mm 780mm 780mm
Head Tube Angle 67.5° 67.5° 67.5° 67.5°
Head Tube Length 95mm 95mm 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 369mm 429mm 429mm 429mm
Stack 607mm 607mm 635mm 649mm
Stem Length 40MM 40MM 50MM 50MM
Top Tube Length, Horizontal 569mm 592mm 624mm 657mm
Trail 99mm 99mm 99mm 99mm
Wheelbase 1141mm 1161mm 1192mm 1223mm

 

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