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    Stumpjumper ST 29

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    2019 Stumpjumper ST 29

    The new Stumpjumper ST uses new tube shapes and an asymmetrical design to ensure that you get awesome ride characteristics. So get ready, because the Stumpjumper ST Alloy 29 is sure to exceed your expectations of how a trail bike should ride.

    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 2.6" tire. 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.

    Especificações Técnicas

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    FRAMESET

    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

    SUSPENSION

    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, pedal platform, 190x42.5mm

    COCKPIT

    HANDLEBARS

    Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm width

    STEM

    Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

    GRIPS

    Specialized Sip Grip, half-waffle, slip-on

    SADDLE

    Body Geometry Henge Sport, steel rails, 143mm

    SEATPOST

    Specialized 2-bolt head, forged alloy, 5mm offset, micro-adjust, 34.9mm

    SEAT BINDER

    Specialized bolt-type, alloy, 38.6mm

    BRAKES

    FRONT BRAKE

    Tektro Gemini Comp, hydraulic disc, resin pad, 200mm

    REAR BRAKE

    Tektro Gemini Comp, hydraulic disc, resin pad, 180mm

    DRIVETRAIN

    SHIFT LEVERS

    Shimano SLX, 11-speed

    REAR DERAILLEUR

    Shimano SLX, Shadow Plus, 11-speed

    CASSETTE

    SunRace, 11-speed, 11-46t

    CRANKSET

    SRAM NX, Boost™, direct-mount XSYNC, Powerspline

    CHAINRINGS

    Steel, 30T

    BOTTOM BRACKET

    SRAM Powerspline

    CHAIN

    KMC X11, 11-speed w/ Missing Link™

    WHEELS & TIRES

    RIMS

    Double-wall, 27mm internal width

    FRONT HUB

    Specialized, sealed cartridge bearings, 15x110mm spacing, 32h

    REAR HUB

    Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h

    SPOKES

    Stainless, 14g

    FRONT TIRE

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

    REAR TIRE

    Purgatory, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"

    INNER TUBES

    Standard, Presta valve

    ACCESSORIES

    PEDALS

    Specialized Dirt

    * Pesos baseados em quadros pintados de produção, conforme ilustrado. Os pesos reais variarão com base na cor, tamanho do quadro e variação do componente. As especificações estão sujeitas a alterações sem aviso prévio.

    Geometria

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    SMLXL
    Comprimento do Cranque170MM170MM170MM170MM
    Comprimento do Guiador780mm780mm780mm780mm
    Comprimento do Avanço50MM50MM50MM50MM
    Saddle Width143mm143mm143mm143mm
    Espigão de Selim375mm375mm435mm435mm
    Stack612mm612mm635mm649mm
    Reach415mm435mm455mm480mm
    Comprimento do Tubo de Direção100mm100mm125mm140mm
    Ângulo do Tubo de Direção67.5°67.5°67.5°67.5°
    BB Height333mm333mm333mm333mm
    BB Drop39mm39mm39mm39mm
    Trail99mm99mm99mm99mm
    Fork Length, Full540mm540mm540mm540mm
    Rake da Forqueta/Offset51mm51mm51mm51mm
    Front Center708mm728mm758mm789mm
    Comprimento da Escora Inferior437mm437mm437mm437mm
    Distância entre Eixos1143mm1163mm1192mm1223mm
    Tubo Superior, Horizontal570mm593mm624mm657mm
    Bike Standover Height750mm756mm769mm770mm
    Seat Tube Length380mm410mm455mm505mm
    Ângulo do Tubo Vertical75.8°75.5°75.1°74.7°
    Geometria

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