We love the fast and planted feeling of the new stumpjumper but not everyone needs 150mm of travel. 

Specialized

2019 Specialized S-Works Stumpjumper ST 29 Mens FS Mountain Bike Grey

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2019 Specialized S-Works Stumpjumper ST 29 Mens FS Mountain Bike Grey

Season : 2019

Brand : Specialized

Code : 235868253579

Weight : 15KG

And if you're in the market for a trail bike that's more nimble and snappy in hard accelerations and long climbs the S-Works stumpjumper st 29 should be your first choice. Its shorter travel (130mm front/120mm rear) and slightly steeper geometry bring out the true "feel" of the trailmaking popping off lips and railing berms even more lively and fun.

Our design goal for the new stumpjumper was simplebuild 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 shapes and the layout.

We started by creating our own mountain-specific stiffness test and then we looked at the layout with finite element analysis (fea) to see where we could get the biggest stiffness improvements. This led to a big discovery: the large and x-large frames needed more front-end stiffness while the smalls and mediums were just fine. We were able to create a frame design that was 20% more efficient. And in the end this proved to be one of the lightest trail frames on the market today.

When designing the frame with the stiffness targets being a main goal we 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.

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 sizeswe 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" tire. You're also free to run whatever aftermarket rear shock you want since we're using standard metric shocks. We 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. Lastly we 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.

The build features only top-of-the-line parts like a full SRAM xx1 eagle drivetrain SRAM guide rsc disc brakes Fox factory front and rear suspension (130/120mm respectively) and the best carbon wheels money can buy the Roval traverse sl 29s.



  • The stumpjumper st's asymmetrical, FACT 11m carbon fiber 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.
  • The Fox dps factory rear shock features our rx trail tune, ensuring that no matter the wheel or frame size, your bike is dialed-in perfectly.
  • With the legendary fit4 damper, large and lightweight stanchions, and buttery-smooth kashima coating, the Fox 34 factory 130mm fork is one of the best out there.
  • €9,885.90
    EUR
  • $9,160.93
    USD
  • $13,321.90
    AUD
  • kr103,317.78
    SEK
  • kr82,739.30
    NOK
  • kr73,881.50
    DKK
  • $13,880.74
    NZD
  • ¥1,001,578.48
    JPY
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
      FOX FLOAT 34 Factory, FIT4 damper, 3-position adjustment, Kashima Coat, 15x110mm Kabolt axle, 51mm offset, 130mm of travel
    • REAR SHOCK
      FOX FLOAT DPS Factory, Rx Trail Tune, EVOL Air sleeve, Kashima Coat, 3-position adjustment w/ Open Mode Adjustment, 190x42.5mm
    • FRONT HUB
      Roval Traverse, sealed cartridge bearings, 15mm thru-axle, 110mm spacing, 24h
    • REAR HUB
      Roval Traverse, DT Swiss Star Ratchet, 54t engagement, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h
    • SPOKES
      DT Swiss Revolution
    • RIMS
      Roval Traverse SL 29, hookless carbon, 30mm inner width, 24/28h, 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
      SRAM XX1 Eagle, Boost™ 148, 170mm crankarm, 24mm spindle
    • CHAINRINGS
      30T
    • BOTTOM BRACKET
      SRAM GXP
    • SHIFT LEVERS
      SRAM XX1 Eagle, trigger, 12-speed
    • REAR DERAILLEUR
      SRAM XX1 Eagle, 12-speed
    • CASSETTE
      SRAM XG-1295 Eagle, 12-speed, 10-50t
    • CHAIN
      SRAM XX1 Eagle, 12-speed w/ PowerLock®
    • FRONT BRAKE
      SRAM Guide RSC, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm rotor
    • REAR BRAKE
      SRAM Guide RSC, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm rotor
    • HANDLEBARS
      Specialized Trail, FACT carbon, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm, 31.8mm
    • GRIPS
      Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
    • STEM
      Syntace MegaForce 2, 6-degree, 31.8mm clamp
    • SADDLE
      Body Geometry Phenom Expert, Adaptive Edge design, hollow titanium rails, carbon fiber base, 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

Product Weight: N/A

Frame: FACT 11m, full carbon chassis and rear end, asymmetrical design, 29 Trail Geometry, SWATâ„¢ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 120mm of t

Rear Shock: FOX FLOAT DPS Factory, Rx Trail Tune, EVOL Air sleeve, Kashima Coat, 3-position adjustment w/ Open Mode Adjustment, 190x42.5mm

Front Fork: FOX FLOAT 34 Factory, FIT4 damper, 3-position adjustment, Kashima Coat, 15x110mm Kabolt axle, 51mm offset, 130mm of trave

Head Set: N/A

Stem: Syntace MegaForce 2, 6-degree, 31.8mm clamp

Handlebars: Specialized Trail, FACT carbon, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm, 31.8mm

Tape/Grips: Specialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness

Front Brake: SRAM Guide RSC, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm rotor

Rear Brake: SRAM Guide RSC, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm rotor

Rear Derailleur: SRAM XX1 Eagleâ„¢, 12-speed

Shift Levers: SRAM XX1 Eagle, trigger, 12-speed

Cassette: SRAM X01 Eagle, 12-speed, 10-50t

Chain: SRAM XX1 Eagle, 12-speed w/ PowerLock®

Crank Set: SRAM XX1 Eagle, Boostâ„¢ 148, 170mm crankarm, 24mm spindle, 30T

Front Rim: Roval Traverse SL 29, hookless carbon, 30mm inner width, 24h, tubeless ready, hand-built

Rear Rim: Roval Traverse SL 29, hookless carbon, 30mm inner width, 28h, tubeless ready, hand-built

Front Hub: Roval Traverse, sealed cartridge bearings, 15mm thru-axle, 110mm spacing, 24h

Rear Hub: Roval Traverse, DT Swiss Star Ratchet, 54t engagement, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h

Front Tyre: Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"

Rear Tyre: Purgatory, GRID Casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"

Saddle: Body Geometry Phenom Expert, Adaptive Edge design, hollow titanium rails, carbon fiber base, 143mm

Seat Post: 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

Battery/Motor: N/A

Bottom Bracket: SRAM GXP

Front Derailleur: N/A

Pedals: Not Supplied

Sizing Information
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