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Dont get us wrong—carbon is awesome. But when it comes to maintaining peace of mind while youre getting rowdy nothing compares to the confidence of our alloy Stumpjumper Comp 29/6Fattie. Its light rugged and packed with all the spec and travel you need to run it wide open out on the trail.
It features an M5 alloy construction thats lightweight durable and plenty stiff and compliant while SRAMs most durable one-by components have been hand-selected to ensure that you get the most performance over rugged terrain possible. To make things even better the Stumpys design also allows you the opportunity to toggle between 29-inch wheels and 6Fattie wheels (not included) allowing the ultimate in configuration options for the trail at hand.
And when you factor in our proprietary Rx Trail Tune at the shock plus an aggressive trail-eating geometry that features absurdly short chainstays a roomy top tube a low bottom bracket and a slacked out front end you get a trail bike that you can be confident in season after season.
M5 alloy Trail Chassis with Stumpjumper FSR rear end blends durability stiffness and light weight while 135mm of travel Trail Geometry provide more than capable handling.
A RockShox Reba RL fork handles suspension up front with ease soaking up bumpy terrain with 150mm of plush travel.
SRAMs 11-speed GX groupset features a wide gear range that delivers climbing and descending efficiency in spades. On top of this the one-by setup is notorious for being next to impossible to drop a chain with plus it provides a significant weight savings in comparison to a standard two-by setup.
FRAME
Specialized M5 Aluminum 29/6Fattie Trail Geometry PF30 BB internal cable routing ManFu link 12x148mm dropouts sealed cartridge bearing pivots replaceable derailleur hanger 135mm of travel
FORK
RockShox Reba RL tapered alloy steerer 51mm offset external rebound adjust low speed comp to lockout 15mm Maxle® Lite thru-axle custom 15x110 Boost™ 150mm of travel
REAR SHOCK
RockShox Monarch RT Rx Trail Tune AUTOSAG rebound and 2-position compression adjust 197x48mm
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
RIMS
Roval Traverse 29 hookless alloy 29mm internal width tubeless-ready 24/28h
INNER TUBES
Standard Presta valve
FRONT TYRE
Butcher GRID casing Gripton compound 2Bliss Ready 29 x 2.3
REAR TYRE
Purgatory GRID casing Gripton compound 2Bliss Ready 29 x 2.3
CRANKSET
Race Face Aeffect PF30
CHAINRINGS
Steel 28T
BOTTOM BRACKET
Race Face PF30
SHIFT LEVERS
SRAM GX trigger 11-speed
REAR DERAILLEUR
SRAM GX long cage 11-speed
CASSETTE
SRAM XG 1150 11-speed 10-42t
CHAIN
KMC X11 11-speed w/ Missing Link™
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
HANDLEBARS
Specialized 6061 alloy 6-degree upsweep 8-degree backsweep 27mm rise 780mm width
GRIPS
Specialized Sip Grip half-waffle S/M: regular thickness L/XL: XL thickness
STEM
Specialized Trail 3D forged alloy 4-bolt 6-degree rise
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
SEAT BINDER
Alloy 34.9mm
PEDALS
Specialized Platform Cr-Mo 9/16 spindle
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