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2021 Specialized

Stumpjumper Comp Alloy

A 29″ aluminum frame full suspension trail bike with high-end components.
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Manufacturer Price

$3,500
FrameAluminum
SuspensionFull, 130 / 140mm
ForkFox Rhythm Float 34
ShockFox Float DPS Performance
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetNX Eagle
BrakesSRAM G2 R Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Stumpjumper Comp Alloy
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

24 mph

Stumpjumper Comp Alloy

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
S1

4'11" – 5'3"

S2

5'2" – 5'8"

S3

5'5" – 5'11"

S4

5'7" – 6'3"

S5

5'10" – 6'4"

S6

6'2" – 6'8"

🐐 Estimated

Rider Fit Notes
  • 5'10", size S4, Just right
Reviews

Summary

The Specialized Stumpjumper is a versatile trail bike that excels in both climbing and descending, thanks to its lightweight design, efficient suspension, and updated geometry. It offers a mix of agility and stability, making it suitable for a wide range of trails. However, some reviews note that it may lack the plushness of previous models and can be unforgiving if not set up correctly.

Pros
  • Lightweight and efficient for climbing

  • Updated geometry for improved handling

  • Versatile performance across various trails

  • Good value for alloy models

  • Quiet and composed ride feel

Cons
  • Rear end can be too active on climbs

  • Not as 'sprinty' or snappy as some competitors

  • Higher price point for carbon models

  • Fussy initial suspension setup

  • Reduced rear wheel travel compared to previous models

Key Quotes
It’s the kind of bike you should be able to ride up any mountain and ride down any mountain.
Singletrack World logoSingletrack World
The Stumpjumper stands as one of the best and most versatile trail bikes currently on the market.
Flow Mountain Bike logoFlow Mountain Bike
The new Stumpjumper makes use of thoughtfully crafted details beyond just marketing-speak that deliver an on-trail feel that riders will appreciate.
Vital MTB logoVital MTB

Feedback?

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NSMB
2022 Specialized Stumpjumper EVO Elite Alloy - Review

Oct 2022

Can the Enduro's little brother hang in the steeps and deeps of The North Shore?

Read Review

Singletrack World
Specialized Stumpjumper Evo Alloy Comp review

Aug 2022 · Ben Haworth Amanda Wishart

The Specialized Stumpjumper Evo Alloy gets all the cool things that the carbon Stumpjumper has had for a few seasons now.

Read Review

Mountain Bike Action
LONG TERM REVIEW: SPECIALIZED STUMPJUMPER EVO ELITE ALLOY - Mountain Bike Action Magazine

Jun 2022 · Nelson

Specialized has taken all of the performance, adjustability and features of its carbon Stumpjumper EVO and offered them in a more affordable M5 aluminum package for 2022.

Read Review

Bike Perfect
Specialized Stumpjumper Evo Comp Alloy review: we ride and rate the latest edition

Feb 2022 · Guy Kesteven

The Specialized Stumpjumper Evo Comp Alloy has one of the smartest metal frames we’ve seen, but is that quality reflected in the specs?

Highs
  • Excellent easily tuneable geometry

  • Great aggro tire choice

  • Short seat tube for size switching

  • Solid climb mode

  • Stiff power transfer

Lows
  • SWAT and geometry switching add cost

  • Slow free hub pick up

  • Chunky weight

Read Review

Loam Wolf
Review: Specialized Stumpjumper Evo Alloy

Jan 2022 · Drew Rohde

At The Loam Wolf, we’d rather have a bike that rides well than a bad bike made from carbon fiber. Read a full review on the Specialized Stumpjumper Evo Alloy!

Highs
  • Aluminum

  • SWAT Door

  • Comfortable and confident

  • Playful and fun to ride

  • Fast

  • Big geo adjustments

Lows
  • Value is debatable

Read Review

Pinkbike
Field Test: Specialized Stumpjumper EVO Alloy - The Golden Retriever of Bicycles

Dec 2021 · Alicia Leggett

It's worth mentioning that the Stumpy EVO Alloy was the longest-travel bike we tested in the batch of 130mm to 150mm trail bikes this Field Test, so it's a bit more bike than anything else we're reviewing this week.

Highs
  • So, so adaptable - and the geo adjustments are easier than on some other bikes

  • SWAT box is the biggest and the best of the in-frame storage boxes out there

  • Good value and smart spec

  • Good crossover trail-enduro option

Lows
  • There's no true top-end build, and it would be so good to see more aluminum bikes with fancy spec options

  • A tad heavy if we're counting grams

  • Star ratchet issue with the rear hub prior to Field Test

Read Review

MTB Mag
[First Ride] Specialized Stumpjumper EVO Alloy

Oct 2021 · Ian Collins

The best part about the Stumpjumper EVO Alloy is how nicely Specialized implemented all of the best parts of the more expensive carbon frame

Read Review

Vital MTB
2022 Specialized Stumpjumper EVO Elite Alloy Bike

Oct 2021 · jonathon Simonetti

Every single feature from the carbon model, including SWAT storage, in a lower-cost alloy package.

Highs
  • All the geo adjustments

  • SWAT storage

  • Lower price with top-shelf parts

  • Superb descending prowess

  • Confident in every corner

  • Easily handles a wide variety of terrain

Lows
  • 3 slashed Grid Trail casing tires

  • Low BB plus 175mm cranks mean pedal strikes

Read Review

Geometry
Specs
Build
Frame

Alloy chassis and rear-end, asymmetrical design, 29 Trail Geometry, horst pivot BB adjustment, threaded BB, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel

BB StandardBSA, 73mm, Threaded

ColorSatin Cast Umber / Clay

Fork

FOX FLOAT 34 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset,140mm of travel

Travel140mm

Spring TypeAir

Shock

FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, S1:190x42.5mm, S2-S6: 190x45mm

Travel130mm

Bottom Bracket

SRAM DUB, BSA 73mm, Threaded

Stem

Alloy Trail Stem, 35mm bar bore

Handlebar

Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 800mm width

Saddle

Bridge Comp, Hollow Cr-mo rails, 155/143mm

Seatpost

X-Fusion Manic, infinite adjustable, remote SRL LE lever, 34.9 (S1:100mm, S2: 125mm, S3: 150mm, S4/S5: 170mm, S6: 190mm)

TypeDropper

Groupset
Rear Derailleur

SRAM NX Eagle, 12-speed

Crank

SRAM NX Eagle, DUB, S1:165mm, S2-S5: 170mm, S6: 175mm, Steel, 30T

Shifters

SRAM NX Eagle, trigger, 12-speed

Cassette

SRAM NX Eagle, 12-speed, 11-50t

Chain

SRAM NX Eagle, 12-speed

Brakes

Front: SRAM G2 R, 4-piston caliper, hydraulic disc, 200mm, Rear: SRAM G2 R, 4-piston caliper, hydraulic disc, 180mm

TypeSRAM G2 R Hydraulic Disc

Wheels
Rims

Roval 29, hookless alloy, 30mm inner width, tubeless ready

Spokes

DT Swiss Industry

Front Hub

Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h

Rear Hub

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

Tires

Front: Butcher, GRID casing, GRIPTON® compound, 29x2.3", Rear: Purgatory, GRID Casing, GRIPTON® compound, 29x2.3"

Rider Notes
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First added March 26

Last updated August 10

Not listed for 662 days