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Men's Stumpjumper EVO Pro 29

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2019 Men's Stumpjumper EVO Pro 29

If you're looking for a traditional trail bike, you've come to the wrong place. Pack your stuff, say your goodbyes, and get out. But if you're on the hunt for the perfect shred sled—you know, a "trail bike" that you can take down DH trails, huck off blind drops, or plow through the rowdiest of rock gardens—you'll find yourself right at home on the Stumpjumper EVO Pro 29.

Who exactly is "EVO" for? EVO is for the shredders—the gnarliest trail riders who live for gravity riding. Big drops, huge kickers, rocks, roots—whatever you throw at it, the Stumpjumper EVO can handle it. EVO uses the same style-specific sizing that's featured on our Demo. This sizing lets you choose the bike that fits the way you ride—not just by the seat tube measurement, like with most bikes—and it narrows things down to two sizes, S2 and S3. These are longer, lower, slacker, and have seat tube and head tube heights that allow you to choose the size that best suits your style and terrain.

We started the construction 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 at the 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. This way, 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.

We kept the ""get gnarly"" motto going with the build kit of the Stumpjumper EVO Pro, spec'ing it with Fox front and rear suspension, bomb-proof Roval Traverse Carbon wheels, and a 12-speed SRAM GX Eagle groupset.

Technical Specifications

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FRAMESET

FRAME

FACT 11m full carbon frame, asymmetrical design, 29 style-specific EVO Trail Geometry, SWAT™ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 140mm of travel

COCKPIT

HANDLEBARS

Specialized, 7050 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 800mm width

STEM

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

GRIPS

Deity, Knuckleduster, Black

SADDLE

Body Geometry Phenom Expert, 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, 160mm of travel

SEAT BINDER

Specialized bolt-type, alloy, 38.6mm

BRAKES

FRONT BRAKE

SRAM Code RSC, 4-piston caliper, hydraulic disc, 200mm

REAR BRAKE

SRAM Code RSC, 4-piston caliper, hydraulic disc, 200mm

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

SRAM GX Eagle, DUB, 170mm

CHAINRINGS

30T

BOTTOM BRACKET

SRAM DUB, threaded BB

CHAIN

SRAM GX Eagle, 12-speed

WHEELS & TIRES

RIMS

Roval Traverse Carbon 29, hookless carbon, 30mm inner width, hand-built tubeless 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

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

INNER TUBES

Standard, Presta valve

ACCESSORIES

PEDALS

Specialized Dirt

SUSPENSION

FORK

FOX FLOAT 36 Performance Elite, GRIP2 damper, 15x110mm, 44mm offset, 150mm of travel

REAR SHOCK

FOX DHX2 Performance Elite, Rx Trail Tune, 2-position lever, 210x50mm, S2-500lb spring, S3-550lb spring

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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S2S3
Crank Length170MM170MM
Handlebar Width800mm800mm
Stem Length40MM50MM
Saddle Width143mm143mm
Seatpost Length429mm429mm
Stack619mm623mm
Reach445mm475mm
Head Tube Length100mm105mm
Head Tube Angle63.5°63.5°
BB Height328mm328mm
BB Drop47mm47mm
Trail138mm138mm
Fork Length, Full560mm560mm
Fork Rake/Offset44mm44mm
Front Center781mm813mm
Chainstay Length443mm443mm
Wheelbase1220mm1252mm
Top Tube Length, Horizontal599mm635mm
Bike Standover Height743mm756mm
Seat Tube Length400mm450mm
Seat Tube Angle76°75.6°
Geometry

Rider Reviews

  • 5
  • 2 Reviews

This is the best bike yet designed

The shorter travel of a road bike The geometry of a downhill bike The big tires of a fat bike The front travel and demeanor of a enduro All add up to a one bike solution. The only place where it was at its limit was on the World Cup downhill course at Wyndham. So high level double black it the travel will limit you. On anything else the only thing holding you back is between the seat and the handlebars,


Name:
Oscar B.

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