S-Works Stumpjumper

  • THE TRAIL BENCHMARK — When we set out to design the all-new Stumpjumper, we pursued some hefty goals. It had to excel on any kind of trail, for every style of rider. To achieve that, we 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 we 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 — We 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, we mean real light: 2,250 grams (S-Works, S-3 size, with rear shock).
  • SWAT™ — When we introduced the SWAT™ door on the Stumpjumper in 2016, we increased pocket space, and added room for those “oh s**t” pumps and flat accessories. With the new Stumpjumper, we’ve kept those same design hallmarks that you know and love.
79.999,00 DKK

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Beskrivelse

We love the fast and planted feeling of the new Stumpjumper, but not everyone needs 150mm of travel. 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 trail—making popping off lips and railing berms even more lively and fun.

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, 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 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' 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.

Specifikationer

Frame
FACT 11m carbon chassis and rear-end, carbon shock extension, asymmetrical design, 29 Trail Geometry, SWAT™ Door integration, flip chip Head Tube/Bottom Bracket adjustment, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel
SWAT
SWAT™ Door integration
Rear Shock
FOX FLOAT DPS Factory, Rx Trail Tune, EVOL Air sleeve, Kashima Coat, 3-position adjustment w/ Open Mode Adjustment, 190x45mm
Fork
FOX FLOAT 34 Factory, GRIP2 damper, Kashima Coating, 15x110mm, 44mm offset, 140mm of travel
Handlebars
Specialized Trail, FACT Carbon, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm, 35mm
Stem
Deity Copperhead, 35.0mm
Grips
Deity, Knuckleduster, Black
Front Brake
SRAM G2 ULTIMATE, 4-piston caliper, hydraulic disc, 200mm
Rear Brake
SRAM G2 ULTIMATE, 4-piston caliper, hydraulic disc, 180mm
Shift Levers
SRAM XX1 Eagle AXS
Cassette
SRAM XG-1299 Eagle, 10-52t
Rear Derailleur
SRAM XX1 Eagle AXS
Chain
SRAM XX1, 12 speed
Crankset
SRAM XX1 Eagle, DUB, S1:165mm, S2-S5: 170mm, S6: 175mm
Chainrings
Steel, 30t
Bottom Bracket
SRAM DUB, BSA 73mm, threaded
Rims
Roval Control 240, hookless carbon, 29mm inner width, hand-built, 2Bliss Ready
Front Hub
DT Swiss 240, sealed cartridge bearings, 15x110mm spacing, 28h
Rear Hub
DT Swiss 240, Ratchet EXP, 36t engagement, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h
Spokes
DT Swiss Competition Race
Front Tire
Butcher, GRID casing, GRIPTON® compound, 29x2.3"
Rear Tire
Purgatory, GRID Casing, GRIPTON® compound, 29x2.3"
Inner Tubes
Standard, Presta valve
Saddle
Bridge, 155/143mm, Hollow Ti-rails
SeatPost
RockShox Reverb AXS, 30.9, 1X remote, (S1:100mm, S2: 125mm, S3: 150mm, S4-S6: 170mm)
Seat Binder
Alloy, 38.6

Specifikationerne kan ændres uden varsel.
Der tages forbehold for trykfejl.

Geometri

Størrelse 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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