Specialized Stumpjumper Comp Carbon 2019
Specialized Stumpjumper Comp Carbon Black 2019

Specialized Stumpjumper Comp Carbon (2019)

£3,800.00

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.

Product Description

Available in 29″ and 27.5″

FEATURES

Don’t worry, S-Works doesn’t get to have all of the fun—the new Stumpjumper Comp Carbon 29 features the same frame as the S-Works, with a full 11m carbon chassis and rear-end. Only here, we’ve included a solid list of no-fuss components, including a SRAM NX Eagle 12-speed groupset for the everyman’s budget.

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′ tyre. 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 on this Comp model comes with a list of components that deliver undeniable quality, like a 12-speed SRAM NX Eagle drivetrain, SRAM Guide R disc brakes, FOX front and rear suspension, and Roval Traverse 29 wheels.

  • The Stumpjumper’s asymmetrical, FACT 11m carbon fibre 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.
  • The FOX DPS Performance rear shock features our Rx Trail Tune, ensuring that no matter the wheel or frame size, your bike is dialed-in perfectly.
  • SRAM’s 12-speed NX Eagle groupset features a wide gear range that delivers climbing and descending efficiency in spades.
SPECS
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
FORK
FOX FLOAT Rhythm 34, GRIP Damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel
REAR SHOCK
FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x50mm
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 29, hookless alloy, 30mm inner width, tubeless ready, 28h
INNER TUBES
Standard, Presta valve
FRONT TYRE
Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 29×2.6″
REAR TYRE
Purgatory, GRID casing, GRIPTON® compound, 2Bliss ready, 29 x2.6″
CRANKSET
SRAM NX Eagle, DUB, 170mm
CHAINRINGS
Steel, 30T
BOTTOM BRACKET
SRAM DUB, threaded BB
SHIFT LEVERS
Sram NX Eagle, trigger, 12-speed
REAR DERAILLEUR
SRAM NX Eagle, 12-speed
CASSETTE
SRAM NX Eagle, 12-speed, 11-50t
CHAIN
SRAM NX 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, 6061 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, 3D-forged alloy, 4-bolt, 6-degree rise
SADDLE
Body Geometry Phenom Comp, Adaptive Edge design, hollow Cr-Mo rails, 143mm
SEATPOST
X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L/XL: 150mm of travel
SEAT BINDER
Alloy, 38.6mm
PEDALS
Specialized Dirt

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