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Men's Stumpjumper EVO Comp Alloy 29

2019 Men's Stumpjumper EVO Comp Alloy 29

Let's get something clear—the Stumpjumper EVO Comp Alloy 29 isn't a "normal" trail bike. It's built to get gnarly, and there's no real way around that. It has a slacked-out front-end and a longer top tube, so the EVO has heavier steering, exceptional front-end traction, and it begs you to boost every lip and do cutties as often as possible. And with all the speed that 29ers are known for, you're going to be able to bomb down trails that you thought you couldn't touch without a full-blown DH rig. When the goin' gets rowdy, the rowdy get goin'.

What 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.

Our other design goal 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 keeps the "EVO" theme going, with ready-to-shred parts like a FOX DPX2 rear shock (140mm of travel), FOX Rhythm 36 fork (150mm of travel), SRAM Code R brakes, and Roval Traverse 29 alloy wheels. And when you top it off with SRAM's NX Eagle drivetrain, you'll have no problem getting it to the top of the runs, either.

Technical Specifications

FRAMESET

FRAME

M5 alloy frame, asymmetrical design, 29 style-specific EVO Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 140mm of travel

COCKPIT

SEAT BINDER

Specialized bolt-type, alloy, 38.6mm

STEM

Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise

HANDLEBARS

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

GRIPS

Sensus Lite

SADDLE

Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm

SEATPOST

X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, 150mm of travel

SUSPENSION

REAR SHOCK

FOX FLOAT DPX2 Performance, Rx Trail Tune, EVOL Air sleeve, 3-position adjustment, 210x50mm

FORK

FOX FLOAT Rhythm 36, GRIP Damper, 44mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel

BRAKES

FRONT BRAKE

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

REAR BRAKE

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

DRIVETRAIN

REAR DERAILLEUR

SRAM NX Eagle, 12-speed

SHIFT LEVERS

SRAM NX Eagle, trigger, 12-speed

CASSETTE

SRAM NX Eagle, 12-speed, 11-50t

CHAIN

SRAM NX Eagle, 12-speed

CRANKSET

SRAM NX Eagle, DUB, 170mm

CHAINRINGS

30T

BOTTOM BRACKET

SRAM DUB, threaded BB

WHEELS & TIRES

RIMS

Roval Traverse 29, hookless alloy, 30mm inner width, tubeless ready, 28h

FRONT HUB

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

REAR HUB

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

* 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

S2S3
Crank Length170mm170mm
Handlebar Width800mm800mm
Stem Length45MM45MM
Saddle Width143mm143mm
Seatpost Length438mm438mm
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 Height754mm770mm
Seat Tube Length400mm450mm
Seat Tube Angle76°75.6°
Geometry

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