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The potent trail machine
First things first: the Stumpjumper EVO Alloy is not a "normal" trail bike. It's built to be wild, plain and simple. Featuring the same all-new design as its carbon brethren - including adjustable head tube angle, 150mm of tuned travel, S-sizing and an integrated SWAT™ box - in a lightweight yet strong M5 Aluminum frame, you'll be able to rock trails, that were previously reserved for downhill racers.
Just good sounds
160mm travel that tames the trail
Even the longest travel is useless without the right kinematics, which is why Specialized put them in the foreground when developing the Stumpjumper EVO design. Using lessons learned from the Enduro's chassis design and more than 1,000 hours of development work on the trail and in the chassis lab, they've vastly improved uphill pedaling performance while creating a capable, efficient and lively bike that every rider aspires to. In addition, the anti-squat behavior has been increased so that the chassis resists bobbing better. Angular obstacles are now also swallowed better, which means that less speed is lost.
The Stumpjumper EVO's S-Sizing geometry is Specialized 's most progressive yet. Long, low, slack, a fork with little offset, a steeper seat tube angle - all this makes your ride a better experience. However, different riders have different demands on the bike, which is why the geometry of the Stumpjumper EVO is fully customizable with six different settings. Not only can the bottom bracket height be adjusted by 10 mm, but also the head tube by up to two degrees. If you want to ride a 27.5" rear wheel in connection with a 29" front wheel with the EVO - no problem, there is also the perfect setting for this.
Rider-First Engineered™
Rider-First Engineered™ frames use a frame size dependent approach to keep ride characteristics identical across all sizes. Regardless of whether you are a small S1 driver or a giant on the S6 bike - the driving characteristics remain the same. Cornering like it's on rails and balanced stiffness between the front and rear wheels - all with the lowest possible weight.
SWAT™
When Specialized introduced the SWAT™ box on the Stumpjumper in 2016, they increased the storage space and from now on had enough space for puncture protection equipment. With the new Stumpjumper they kept the same design cues but increased the volume and added a SWAT™ bladder that allows you to hide an additional 650ml of water in your down tube. Yes, the bubble is the same size as a small bottle.
highlights
- Robust aluminum frame
- S sized geometry
- Integrated SWAT™ box as in the carbon models
specification
specification | description |
---|---|
frame | M5 Alloy chassis and rear-end, asymmetrical design, 29" Trail Geometry with S-Sizing, SWAT™ Door integration, head tube angle adjustment, horst pivot BB adjustment, threaded BB, fully enclosed internal cable routing, 12 x 14 8mm dropouts, Sealed cartridge bearing pivots, replaceable derailleur hanger, 150 mm of travel |
Fork | Fox Float 36 Factory, GRIP2 damper, 15x10mm, 44mm offset (S1: 150mm travel, S2 - S6: 160mm travel) |
mute | Fox Float X Performance, Rx Trail Tune, EVOL Air sleeve, 2-position lever w/ LSR adjustment (S1: 210 x 50 mm, S2 - S6: 210 x 55 mm) |
stem | Deity, 35.0 mm |
handlebars | Specialized , 6061 alloy, 35x800mm, 6° upsweep, 8° backsweep, 30mm rise |
Grips / handlebar tape | Specialized trail grips |
shifter | SRAM GX Eagle |
brake lever | SRAM code RS |
rear derailleur | SRAM GX Eagle, 12-speed |
bottom bracket | SRAM DUB BSA, 73mm threaded |
crankset | SRAM GX Eagle DUB, 30t (S1: 165mm, S2 - S5: 170mm, S6: 175mm) |
cassette | SRAM XG-1275 Eagle, 10/52t |
Chain | SRAM GX Eagle |
brakes | SRAM Code RS, hydraulic disc, 4-piston calipers |
brake discs | 200mm |
saddle | Body Geomtery Bridge Comp, Hollow Cr-Mo rails, 155/143mm |
seat post | OneUp, Dropper Post-V2, MMX lever, 34.9mm (S1: 120mm, S2/3: 150mm, S4: 180mm, S5/6: 210mm) |
seatpost clamp | Alloy, 38.6mm |
wheel size | 29'' |
rims | Roval Traverse 29 Alloy, 30 mm inner width, hand-built, 2Bliss Ready |
Front hub / rear hub | Roval, sealed cartidge bearing, 15 x 110 mm spaing, 28h / Roval DT Swiss 370, Ratchet LN, SRAM XD driver body, 12 x 148 mm, Thru-Axle, 28h |
spokes | DT Swiss Competition Race |
Tires front / rear | Specialized Butcher, GRID Trail casing, Gripton ® T9 Compound, 2Bliss Ready, 29 x 2.30'' / Specialized Eliminator, GRID Trail casing, Gripton ® T7 Compound, 29 x 2.30'' |
hoses / sealing milk | Default, PrestaValve |
extras | SWAT™ Door integration |
scope of delivery
- 1 x Specialized Stumpjumper EVO Elite Aluminum (see item description for details)
Test verdict
Test result: “Very good” in Mountain Bike 04/2023 (p. 35)a notice
“The product images and specifications shown are exemplary and may vary during the season. The manufacturer reserves the right, as long as the bicycle is not changed in type and purpose, to replace the components shown with ones of the same or higher quality. The use of other components is due to delivery problems and production downtimes".