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Stumpjumper EVO Comp Alloy

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2023 Stumpjumper EVO Comp Alloy

Let's get something clear, the Stumpjumper EVO Alloy isn't a "normal" trail bike. It's built to get gnarly, plain and simple. Featuring the same all-new design as its carbon brethren—including an adjustable head tube angle, 150mm of performance tuned travel, the adaptability of S-Sizing, and SWAT™ Door integration—in a lightweight yet tough M5 Alloy chassis, you're going to be able to bomb down trails that you thought you couldn't touch without a full-blown DH rig.

Spec’d with a no-fuss SRAM NX Eagle 12-speed drivetrain, bomber 30mm-wide alloy wheels, and plush Fox FLOAT Performance suspension, there’s no question the Stumpjumper EVO Comp Alloy is dressed to shred.

Technical Specifications

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Drivetrain

Chainrings

30T

Bottom Bracket

SRAM DUB, BSA 73mm, Threaded

Cassette

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

Chain

SRAM NX Eagle, 12-speed

Rear Derailleur

SRAM NX Eagle, 12-speed

Crankset

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

Shift Levers

SRAM NX Eagle, trigger, 12-speed

Cockpit

Stem

Alloy Trail Stem, 35mm bar bore

Saddle

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

Tape

Specialized Trail Grips

Handlebars

Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width

SeatPost

X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 100mm, S2: 125mm, S3: 150mm, S4/S5: 175mm, S6: 190mm

Frameset

Seat Binder

Alloy, 38.6mm

Frame

M5 Alloy chassis and rear-end, asymmetrical design, 29/27.5" Trail Geometry with S-Sizing, SWAT™ Door integration, head tube angle adjustment, horst pivot BB adjustment, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 150mm of trave

SWAT

SWAT™ Door integration

Wheels & Tires

Rear Hub

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

Front Hub

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

Front Tire

Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"

Spokes

DT Swiss Industry

Rear Tire

Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, 27.5 x 2.3"

Rims

Specialized 29F/27.5R, hookless alloy, 30mm inner width, tubeless ready

Inner Tubes

Standard, Presta Valve

Suspension

Fork

FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset, S1: 150mm of travel, S2-S6: 160mm of travel

Rear Shock

FOX FLOAT X Performance, Rx Trail Tune, EVOL Air sleeve, 2-position lever w/ LSR adjustment, S1:210x50mm, S2-S6:210x55mm

Brakes

Rear Brake

SRAM Code R, 4-piston caliper, hydraulic disc, 200mm Centerline

Front Brake

SRAM Code R, 4-piston caliper, hydraulic disc, 200mm Centerline

Accessories

Pedals

PEDAL, TEST RIDE PEDALS PROVIDED BY SPECIALIZED

Weight

Weight

16.11kg (35 lb, 8.3 oz)

Weight Size

S4

* 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

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S1S2S3S4S5S6
Crank Length165mm170mm170mm170mm170mm175mm
Handlebar Width800mm800mm800mm800mm800mm800mm
Stem Length40mm40mm40mm40mm50mm50mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length100mm125mm150mm170mm170mm190mm
Stack613mm617mm626mm635mm644mm654mm
Reach408mm428mm448mm475mm498mm528mm
Headtube Length95mm95mm105mm115mm125mm135mm
Headtube Angle64.5°64.5°64.5°64.5°64.5°64.5°
BB Height335mm340mm340mm340mm340mm340mm
BB Drop40mm35mm35mm35mm35mm35mm
Trail131mm131mm131mm131mm131mm131mm
Fork Length (full)561mm571mm571mm571mm571mm571mm
Fork Rake/Offset44mm44mm44mm44mm44mm44mm
Front Centre732mm756mm780mm809mm838mm873mm
Chainstay Length438mm438mm438mm438mm438mm438mm
Wheelbase1167mm1191mm1216mm1247mm1285mm1319mm
Top-tube Length (horizontal)538mm564mm590mm623mm647mm679mm
Bike Standover Height733mm764mm763mm762mm767mm770mm
Seat Tube Length385mm385mm405mm425mm445mm465mm
Seat Tube Angle78°77.6°77.2°76.9°77°77°
Max Seatpost Insertion180mm180mm200mm220mm240mm260mm
Min Seatpost Insertion80mm80mm80mm80mm80mm80mm
Geometry

Rider Reviews

  • 4.8
  • 5 Reviews

Dream bike

Bought this bike as my first from specialized, and what a bike. Incredible for fitness riding, climbs, technical, drops, jumps, gaps and loam. Flies in fact. Definitely recommend. Always getting complimented!


Name:
Florie

Helpful?

Progress Guaranteed

The bike is good at everything that is asked if it. Steep, technical descents become easy with the headset that can swapped around. The suspension just deletes rocks and the bike just overall performs well. This bike punches well above its weight. One gripe I have is with the rear hub that detonated on me after 12 rides and less than 100 km. The dealer says it has been a known issue, so the wheels will need upgrading to make this bike an absolute beast.


Name:
Karl

Helpful?

Great all rounder

Replaced my Trek Fuel Ex with this bike. Didn’t realise it was a mullet but really glad I made that mistake. Such a fun and capable bike. Climbs as well as the Fuel Ex but really comes alive downhill.

Would Recommend?
Yes!

Name:
Michael

Helpful?

Absolute dream

I purchased this bike during an amazing sale. Immediately put my Roval Traverse 27.5 (38mm inner) carbon wheels on. Running 2.8 tyres makes this bike super fast, smooth and confidence inspiring. The combination of wheels, tyres and the fantastic suspension makes this a ripper of a bike. Absolutely love it.


Name:
George

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