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Specialized Stumpjumper Comp Alloy 27.5 2019 Trail Mountain Bike

SPECIALIZED

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Product Details

Specialized Stumpjumper Comp Alloy 27.5 Trail Mountain Bike

No need to fret—we haven't forgotten about all you alloy fans out there. In fact, the new Stumpjumper Comp Alloy 27.5 may be the most radically designed alloy bike ever made. For real, though. And with new tube shapes, an asymmetrical design, and the nimble 27.5 handling that we all love, it's plenty capable and ready to take on the trail.

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 and shapes.

We continued down the suspension path with a custom Rx Trail Tune on both the fork and rear shock. Suspension performance is highly dependent on frame, wheel, and rider size, so we use our 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. So, no matter what wheel size you prefer, 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 3.0' 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 a Shimano SLX drivetrain with RaceFace cranks, Shimano SLX disc brakes, FOX front and rear suspension, and Roval Traverse 27.5 alloy wheels.

  • The completely redesigned alloy Stumpjumper frame features an M5 alloy front- and rear-end, an asymmetrical design, and our 27.5 Trail Geometry, so it's just the right amount of both capable and comfortable.
  • The FOX DPS Performance rear shock features our Rx Trail Tune, ensuring that no matter the wheel or frame size, your bike is dialed-in perfectly.
  • A FOX 34 Rhythm fork handles suspension duties up front, with stiff stanchions and plenty of adjustability.

THE ULTIMATE TRAIL BIKE STUMPJUMPER

The new Stumpjumper is the ultimate trail bike. Seriously, the damn thing rides like it's on rails. It's the most versatile trail bike we've ever made. And yeah, we're stoked about that, but we're even more excited about how well it's tuned to you. We've said goodbye to proprietary bullshit, focused on your needs, and made, what we feel, is the new benchmark in trail bikes.

Mountain Bike Sizing Guide.

Bike sizing guide by brand.

Technical Specifications

Specialized Stumpjumper Comp Alloy 27.5 2019 
FRAMEM5 alloy chassis and rear end, asymmetrical design, 27.5 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 150mm of travel
FORKFOX FLOAT Rhythm 34 27.5, 44mm offset, 2-position, tapered alloy steerer, 15x110mm Boost™, 150mm of travel
REAR SHOCKFOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x52.5mm
BOTTOM BRACKETThreaded BB, 24mm spindle
CASSETTEShimano SLX, 11-speed, 11-46t
CHAINKMC X11, 11-speed w/ Missing Link™
CHAINRINGS32T
CRANKSETRaceFace Aeffect, 24mm spindle, 170mm crankarm
FRONT BRAKEShimano SLX, hydraulic disc, resin pads, 200mm rotor
FRONT HUBSpecialized, sealed cartridge bearings, 15x110mm spacing, 28h
FRONT TYREButcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6"
GRIPSSpecialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
HANDLEBARSSpecialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm width
PEDALSSpecialized Dirt
REAR DERAILLEURShimano XT, Shadow Plus, GS cage, 11-speed
REAR HUBSpecialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
REAR TYREPurgatory, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6"
RIMSRoval Traverse 27.5, hookless alloy, 29mm inner width, tubeless ready, 28h
SADDLEBody Geometry Phenom Comp, Adaptive Edge design, hollow Cr-Mo rails, 143mm
SEAT BINDERSpecialized bolt-type, alloy, 38.6mm
SEATPOSTX-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
SHIFT LEVERSShimano SLX, 11-speed
SPOKESDT Swiss Industry
STEMSpecialized Trail, 3D forged alloy, 4-bolt, 6-degree rise

Disclaimer

Our suppliers reserve the right to change specifications and prices without notice. Edinburgh Bicycle Cooperative will do all it can to maintain prices and specifications on this web site, however we do reserve the right to change specifications and prices without notice. Similarly, despite the wonders of modern computers, it is realistic to expect the colour of any item bought to differ subtly from the image online.