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Stumpjumper Expert Carbon 29

2020 Stumpjumper Expert Carbon 29

This is the bike that’s consistently reaped kudos from the cycling media and countless riders. Why all the accolades? Our asymmetric carbon chassis delivers a perfect blend of bump-devouring suspension and effortless control. Technically speaking, this thing rips.

THE ULTIMATE TRAIL BIKE

The innovative sidearm frame design makes a lighter, better-handling bike. By directly connecting all three mounting points of the rear-end and shock to the frame, we’ve increased both stiffness and performance over bumps. End result? Total control.

LIGHTWEIGHT, CAPABLE…AND STUNNING

The Stumpjumper carbon chassis makes for one of the lightest, and yet most capable, trail bikes anywhere. The innovative frame melds smooth and deep suspension with smart features, including our integrated SWAT™ box downtube storage and hassle-free cable routing.

• Carbon frame is lightweight, stiff, and incredibly capable.

• FOX FLOAT DPX2 Performance rear shock is supple and easy to adjust on the fly.

• Roval Traverse Carbon wheels roll up to speed quickly and are bomb proof.

Technical Specifications

COCKPIT

Saddle

Bridge 155 S2, Bridge 143 S3/S4/S5, Hollow cr-mo rails

Handlebars

Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp

Grips

Deity, Knuckleduster, Black

SeatPost

X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L: 150mm, XL: 170mm

Stem

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

Suspension

Rear Shock

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

DRIVETRAIN

Shift Levers

SRAM GX Eagle, trigger, 12-speed

Rear Derailleur

SRAM GX Eagle, 12-speed

Cassette

SRAM XG-1275 Eagle, 12-speed, 10-50t

Bottom Bracket

SRAM DUB, BSA 73mm, Threaded

Chainrings

Steel, 30T

Crankset

SRAM Descendant, Boost™, DUB, 170mm

Chain

SRAM GX Eagle, 12-speed

WHEELS

Rear Tire

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

Inner Tubes

Standard, Presta valve

Front Tire

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

Spokes

DT Swiss Industry

Front Hub

Roval Traverse Carbon 29, hookless carbon, 30mm inner width, hand-built, 15x110mm spacing, 2Bliss Ready, 28h

Rear Hub

DT Swiss 370, 3-Pawl System, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h

Rims

Roval Traverse Carbon 29, hookless carbon, 30mm inner width, hand-built, 2Bliss Ready

BRAKES

Front Brake

SRAM Code R, 4-piston caliper, hydraulic disc, 220mm

Rear Brake

SRAM Code R, 4-piston caliper, hydraulic disc, 180mm

ACCESSORIES

Pedals

PEDAL, TEST RIDE PEDALS PROVIDED BY SPECIALIZED

FRAMESET

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

Seat Binder

Specialized bolt-type, alloy, 38.6mm

* 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

SMLXL
Crank Length170mm170mm170mm17mmm
Handlebar Width780mm780mm780mm780mm
Stem Length40mm40mm50mm50mm
Saddle Width155mm143mm143mm143mm
Seatpost Length375mm438mm438mm478mm
Stack614mm614mm641mm656mm
Reach405mm425mm445mm470mm
Head Tube Length95mm95mm125mm140mm
Head Tube Angle66.5°66.5°66.5°66.5°
BB Height342mm342mm342mm342mm
BB Drop33mm33mm33mm33mm
Trail107mm107mm107mm107mm
Fork Length, Full560mm560mm560mm560mm
Fork Rake/Offset51mm51mm51mm51mm
Front Center714mm734mm766mm797mm
Chainstay Length437mm437mm437mm437mm
Wheelbase1149mm1169mm1201mm1232mm
Top Tube Length, Horizontal572mm595mm628mm662mm
Bike Standover Height747mm750mm762mm775mm
Seat Tube Length380mm410mm455mm505mm
Seat Tube Angle74.8°74.5°74.1°73.7°
Geometry

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