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Stumpjumper Comp Alloy 29/6Fattie
2018 Stumpjumper Comp Alloy 29/6Fattie
Don't get us wrong—carbon is awesome. But when it comes to maintaining peace of mind while you're getting rowdy, nothing compares to the confidence of our alloy Stumpjumper Comp 29/6Fattie. It's 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 that's lightweight, durable, and plenty stiff and compliant, while SRAM's 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 Stumpy's 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.
Technical Specifications
FRAMESET
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
SEAT BINDER
Alloy, 34.9mm
SUSPENSION
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
WHEELS
REAR HUB
Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
FRONT HUB
Specialized, sealed cartridge bearings, 15x110mm spacing, 24h
RIMS
Roval Traverse 29, hookless alloy, 29mm internal width, tubeless-ready, 24/28h
FRONT TIRE
Butcher, GRID casing, Gripton compound, 2Bliss Ready, 29 x 2.3"
REAR TIRE
Purgatory, GRID casing, Gripton compound, 2Bliss Ready, 29 x 2.3"
SPOKES
DT Swiss Industry, stainless, 3-cross, 2.0"
INNER TUBES
Standard, Presta valve
DRIVETRAIN
REAR DERAILLEUR
SRAM GX, long cage, 11-speed
SHIFT LEVERS
SRAM GX, trigger, 11-speed
CHAIN
KMC X11, 11-speed w/ Missing Link™
CASSETTE
SRAM XG 1150, 11-speed, 10-42t
CHAINRINGS
Steel, 28T
CRANKSET
Race Face Aeffect, PF30
BOTTOM BRACKET
Race Face PF30
COCKPIT
HANDLEBARS
Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm width
STEM
Specialized Trail, 3D forged alloy, 4-bolt, 6-degree rise
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 colourway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| S | M | L | XL | XXL | |
|---|---|---|---|---|---|
| Crank Length | 170MM | 170MM | 170MM | 170MM | 170MM |
| Handlebar Width | 780mm | 780mm | 780mm | 780mm | 780mm |
| Stem Length | 45MM | 60MM | 60MM | 60MM | 60MM |
| Saddle Width | 143mm | 143mm | 143mm | 143mm | 143mm |
| Seatpost Length | 390mm | 430mm | 430mm | 430mm | 430mm |
| BB Height, 29x2.3" | 338mm | 338mm | 338mm | 338mm | 338mm |
| Stack | 617mm | 617mm | 645mm | 663mm | 686mm |
| Reach | 389mm | 417mm | 435mm | 461mm | 477mm |
| Head Tube Length | 125mm | 145mm | 170mm | 95mm | 95mm |
| Head Tube Angle | 67.5° | 67.5° | 67.5° | 67.5° | 67.5° |
| BB Drop | 36mm | 36mm | 36mm | 36mm | 36mm |
| Trail | 104mm | 104mm | 104mm | 104mm | 104mm |
| Fork Length, Full | 551mm | 551mm | 551mm | 551mm | 551mm |
| Fork Rake/Offset | 46mm | 46mm | 46mm | 46mm | 46mm |
| Front Center | 680mm | 708mm | 738mm | 771mm | 797mm |
| Chainstay Length | 437mm | 437mm | 437mm | 437mm | 437mm |
| Wheelbase | 1115mm | 1143mm | 1172mm | 1206mm | 1232mm |
| Top Tube Length, Horizontal | 551mm | 582mm | 611mm | 647mm | 674mm |
| Bike Standover Height | 750mm | 757mm | 766mm | 776mm | 778mm |
| Seat Tube Length | 396mm | 430mm | 468mm | 523mm | 564mm |
| Seat Tube Angle | 74° | 74° | 75° | 75° | 75° |
Manual Downloads
Rider Reviews
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