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Stumpjumper Expert 6Fattie/29

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2018 Stumpjumper Expert 6Fattie/29

After one ride on the Stumpjumper Expert 6Fattie/29, you'll never be merely "riding trail" again. It's a bold statement to make, but the increase in traction, control, and floatation that our 6Fattie Wheel/Tire System provides is nothing short of revolutionary. And then, of course, there's the rest of the bike.

It features our FACT 9m carbon fiber for the bulk of the construction in order to provide an ultra-lightweight, strong, and stiff frame. The carbon molding process also allowed us to revolutionize how you carry your trail essentials with the revolutionary SWAT™ Door found at the down tube. This compartment will fit a tube, a tool, and pump without rattling or compromising the structural integrity of the frame.

Then there's our 6Fattie Wheel/Tire System that takes 27.5 wheels and wraps them in 27.5x3.0" tires to provide a drastic, life-changing level of traction, control, and floatation. Impressively, 6Fattie pulls this off without sacrificing anything to climbing prowess. This system also allows you the opportunity to toggle between 29-inch wheels (not included) and 6Fattie wheels, allowing the ultimate in configuration options for the trail at hand. Further improving the ride, you'll also find an aggressive, trail-eating geometry that features ridiculously short chainstays, a roomy top tube, a low bottom bracket, a slacked out front end, and our proprietary Rx Trail Tune at the shock.

And when you factor in a build spec that has some of SRAM's best performing and durable components, you have a bike that will have you never looking back—unless it's to see your buddies eating your dust.

Technical Specifications

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FRAMESET

FRAME

FACT 9m carbon front chassis w/ Specialized M5 Aluminum rear end, 29/6Fattie Trail Geometry, SWAT™ Door integration, PF30 BB, fully enclosed internal cable routing, ManFu link, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 135mm of travel

SEAT BINDER

Alloy, 34.9mm

SUSPENSION

REAR SHOCK

RockShox Monarch RT3, Rx Trail Tune, AUTOSAG, rebound and 3-position compression adjust, 197x48mm

FORK

FOX 34 Performance 29/6Fattie, 51mm offset, 15x110mm thru-axle, 150mm of travel

WHEELS

RIMS

Roval Traverse Carbon 27.5, hookless carbon, 38mm inner width, 24/28h, tubeless ready, hand-built

FRONT HUB

Specialized, sealed cartridge bearings, 15x110mm spacing, 24h

REAR HUB

Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h

SPOKES

DT Swiss Industry, stainless, 3-cross, 2.0"

FRONT TIRE

Purgatory, GRID casing, Gripton compound, 2Bliss Ready, 27.5 x 3.0"

REAR TIRE

Slaughter, GRID casing, Gripton compound, 2Bliss Ready, 27.5 x 2.8"

INNER TUBES

Standard, Presta valve

DRIVETRAIN

REAR DERAILLEUR

SRAM GX Eagle, 12-speed

SHIFT LEVERS

SRAM GX Eagle, trigger, 12-speed

CASSETTE

SRAM GX Eagle, 12-speed, 10-50t

CHAIN

SRAM GX Eagle, 12-speed w/ PowerLock®

CRANKSET

Truvativ Descendant, aluminum, Boost™ 148, 170mm crankarm, 30mm spindle

CHAINRINGS

30T

BOTTOM BRACKET

PF30

COCKPIT

STEM

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

HANDLEBARS

Specialized Trail, 7050 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

SADDLE

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

SEATPOST

Command Post IRcc, 12-position micro-height adjustable, alien head design, bottom mount cable routing, remote SRL lever, 30.9mm, S: 100mm, M/L/XL: 125mm of travel

BRAKES

FRONT BRAKE

SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200/180mm rotor

REAR BRAKE

SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180/160mm rotor

ACCESSORIES

PEDALS

Specialized Platform, Cr-Mo, 9/16" spindle

* 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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SMLXL
Crank Length170MM170MM170MM170MM
Handlebar Width780mm780mm780mm780mm
Stem Length45MM60MM60MM60MM
Saddle Width143mm143mm143mm143mm
Seatpost Length390mm430mm430mm430mm
BB Height, 29x2.3"338mm338mm338mm338mm
Stack618mm618mm646mm664mm
Reach386mm413mm431mm457mm
Head Tube Length125mm145mm95mm95mm
Head Tube Angle67°67°67°67°
BB Drop33mm33mm33mm33mm
Trail96.5mm96.5mm96.5mm96.5mm
Fork Length, Full560mm560mm560mm560mm
Fork Rake/Offset51mm51mm51mm51mm
Front Center687mm714mm744mm777mm
Chainstay Length437mm437mm437mm437mm
Wheelbase1122mm1149mm1179mm1212mm
Top Tube Length, Horizontal563mm590mm616mm648mm
Bike Standover Height754mm761mm770mm777mm
Seat Tube Length396mm430mm468mm523mm
Seat Tube Angle74°74°74°74°
Geometry

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