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    2019 Men's Stumpjumper Pro 29

    $8,559.00

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    "Berms, jumps, ruts—hawt laps." By now, you've probably seen the new Stumpjumper…

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    Stumpjumper

    Caractéristiques du produit

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    "Berms, jumps, ruts—hawt laps." By now, you've probably seen the new Stumpjumper video—it's a must if you haven't. Not only is it shred-inspiring, but it clearly shows what the Stumpjumper Pro 29 is all about—being the ultimate trail bike.

    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 2.6" 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.

    For the build, you get a components package that's the perfect blend of performance and affordability—a full SRAM GX Eagle drivetrain, SRAM Guide RS disc brakes, FOX Factory front and rear suspension (150/140mm of travel respectively), and Roval Traverse Carbon 29 wheels.

    • The Stumpjumper's asymmetrical, FACT 11m carbon fiber construction is lightweight, stiff, and ready to take on the trail. It's built off our 29 Trail Geometry, so it's just the right amount of both capable and comfortable. And with SWAT™ integration in the down tube, a threaded BB, easy cable routing, and an all new chain silencer, it's ready for anything the trail, or you, throw at it.

    • FOX FLOAT DPX2 Factory has three modes—Open, Trail, and Firm—that control large compression adjustments on-the-fly. There's also a tool adjust compression adjustment that allows for fine-tuning of the compression in Open mode.

    • The legendary GRIP 2 damper, large stanchions, buttery-smooth Kashima coating—the FOX 36 Factory 150mm fork is one of the best out there.

    Spécifications techniques

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    FRAMESET

    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, 140mm of travel

    SUSPENSION

    FORK

    FOX FLOAT 36 Factory, GRIP2 damper, Kashima Coating, 15x110mm, 51mm offset, 150mm of travel

    REAR SHOCK

    FOX FLOAT DPX2 Factory, Rx Trail Tune, EVOL Air sleeve, Kashima coat, 3-position adjustment w/ Open Mode adjustment, 210x50mm

    COCKPIT

    HANDLEBARS

    Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp

    STEM

    Specialized Trail, forged alloy, 4-bolt, 5mm rise, 40mm

    GRIPS

    Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness

    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

    BRAKES

    FRONT BRAKE

    SRAM Guide RS, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm rotor

    REAR BRAKE

    SRAM Guide RS, hydraulic disc, organic pads, Guide S4 4-piston caliper

    DRIVETRAIN

    SHIFT LEVERS

    SRAM GX Eagle, trigger, 12-speed

    REAR DERAILLEUR

    SRAM GX Eagle, 12-speed

    CASSETTE

    SRAM GX Eagle, 12-speed, 10-50t

    CRANKSET

    Truvativ Descendant, aluminum, Boost™ 148, 170mm crankarm, 24mm spindle

    CHAINRINGS

    Steel, 30T

    BOTTOM BRACKET

    SRAM GXP

    CHAIN

    SRAM GX Eagle, 12-speed

    WHEELS & TIRES

    RIMS

    Roval Traverse Carbon 29, hookless carbon, 30mm inner width, hand-built 2Bliss Ready, 28h

    FRONT HUB

    Specialized, sealed cartridge bearings, 15x110mm spacing, 28h

    REAR HUB

    DT Swiss 350, Star Ratchet, 36t engagement, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h

    SPOKES

    DT Swiss Industry

    FRONT TIRE

    Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.6"

    REAR TIRE

    Purgatory, GRID casing, GRIPTON® compound, 2Bliss ready, 29 x2.6"

    INNER TUBES

    Standard, Presta valve

    ACCESSORIES

    PEDALS

    Specialized Dirt

    * Les poids sont basés sur les cadres peints en production comme illustré. Les poids réels varieront en fonction de la couleur, de la taille du cadre et de la variation des composants. Les spécifications sont sujet à changement sans préavis.

    Géométries

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    SMLXL
    Longueur manivelles170MM170MM170MM170MM
    Largeur de cintre780mm780mm780mm780mm
    Longueur de potence40MM40MM50MM50MM
    Largeur de selle143mm143mm143mm143mm
    Longueur de tige de selle369mm429mm429mm429mm
    Stack614mm614mm641mm656mm
    Reach405mm425mm445mm470mm
    Longueur de douille de direction95mm95mm125mm140mm
    Angle de direction66.5°66.5°66.5°66.5°
    Boîte de pédalier - sol342mm342mm342mm342mm
    B-B Drop33mm33mm33mm33mm
    Chasse107mm107mm107mm107mm
    Longueur de fourche560mm560mm560mm560mm
    Déport de fourche51mm51mm51mm51mm
    Boîte de pédalier – axe roue avant714mm734mm766mm797mm
    Longueur bases437mm437mm437mm437mm
    Empattement1149mm1169mm1201mm1232mm
    Longueur tube horizontal572mm595mm628mm662mm
    Hauteur cadre à l’entrejambe747mm750mm762mm775mm
    Longueur de tube de selle380mm410mm455mm505mm
    Angle de Tube de selle74.8°74.5°74.1°73.7°
    Géométries

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