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Women's Stumpjumper ST Comp Alloy 29

2018 Women's Stumpjumper ST Comp Alloy 29

All of you die-hard alloy fans can rejoice. Yes, the new Stumpjumper ST comes in an alloy version, and it may be the most radically designed alloy bike ever made. You'll find new tube shapes, an asymmetrical design, and a connected feeling with the trail. So get ready, because the Women's Stumpjumper ST Comp 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, shapes, and the layout.

We continued down the suspension path with a Women's Rx Tune that gives both the fork and rear shock a custom tune specifically for female riders. Suspension performance is highly dependent on frame, wheel, and rider size, so we use our Women's 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 and rider size. So, no matter what, 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 FOX FLOAT Rhythm 34 fork with 130mm of travel, a FOX FLOAT DPS Performance rear shock with 120mm of travel, and wide alloy wheels.

Technical Specifications

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

SEAT BINDER

Specialized bolt-type, alloy, 38.6mm

SUSPENSION

REAR SHOCK

FOX FLOAT DPS Performance, Women's Rx Tune, rebound and three-position compression adjust, 190x42.5mm

FORK

FOX FLOAT Rhythm 34, GRIP Damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 130mm of travel

COCKPIT

STEM

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

HANDLEBARS

Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp

GRIPS

Specialized Sip Grip

SADDLE

Body Geometry Myth Sport, steel rails, 155mm

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

BRAKES

FRONT BRAKE

Shimano SLX, hydraulic disc, resin pads, 200mm

REAR BRAKE

Shimano SLX, hydraulic disc, resin pads, 180mm

DRIVETRAIN

REAR DERAILLEUR

Shimano XT, Shadow Plus, GS cage, 11-speed

SHIFT LEVERS

Shimano SLX, 11-speed

CASSETTE

Shimano SLX, 11-speed, 11-46t

CHAIN

KMC X11, 11-speed w/ Missing Link™

CRANKSET

RaceFace Aeffect, 24mm spindle, 170mm crankarm

CHAINRINGS

30T

BOTTOM BRACKET

Threaded BB, 24mm spindle

WHEELS

RIMS

Roval Traverse 29, hookless alloy, 29mm 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, 29x2.3"

REAR TIRE

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

INNER TUBES

Standard, Presta valve

ACCESSORIES

PEDALS

Specialized Dirt

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

Geometry

SML
Crank Length170mm170mm170mm
Handlebar Width750mm750mm750mm
Stem Length45MM45MM45MM
Saddle Width155mm155mm155mm
Seatpost Length376mm376mm438mm
Stack612mm612mm635mm
Reach415mm435mm455mm
Head Tube Length100mm100mm125mm
Head Tube Angle67.5°67.5°67.5°
BB Height333mm333mm333mm
BB Drop39mm39mm39mm
Trail99mm99mm99mm
Fork Length, Full540mm540mm540mm
Fork Rake/Offset51mm51mm51mm
Front Center708mm728mm758mm
Chainstay Length437mm437mm437mm
Wheelbase1143mm1163mm1192mm
Top Tube Length, Horizontal570mm593mm624mm
Bike Standover Height750mm756mm769mm
Seat Tube Length380mm410mm455mm
Seat Tube Angle75.8°75.5°75.1°
Geometry

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