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2021 Stumpjumper Expert

5

2 Reviews

With the all-new Stumpjumper Expert, we've bottled up that "new bike day" feeling…

Product Details

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With the all-new Stumpjumper Expert, we've bottled up that "new bike day" feeling and put it into a radical new trail bike so agile, so lively, so in-tune with the trail, that it feels like an extension of your body. Levitate up the climbs. Decimate the descents. The Stumpjumper Expert is going to make you rethink how a trail bike should ride.

  • THE TRAIL BENCHMARK — When we set out to design the all-new Stumpjumper, we pursued some hefty goals. It had to excel on any kind of trail, for every style of rider. To achieve that, we went after serious weight reduction without sacrificing durability, a stiff, responsive chassis that still rides light and lively, geometry that improves everyone’s riding, and the best suspension kinematics we know how to design. Turns out, you can have your cake and eat it too with the new Stumpjumper.

  • THE SWEETEST 130MM OF TRAVEL YOU’LL EVER RIDE — We massaged the kinematics of the Stumpjumper suspension to bring out the very best all-round performance possible in a 130mm package. Countless hours of suspension lab development and field testing created a refined mid-travel ripper that eats big terrain like a gravity fed beast, handles like a dream everywhere, and climbs like it has a motor.

  • PROGRESSIVE GEOMETRY — The S-Sizing geometry of the new Stumpjumper hits the progressive sweet spot. It’s long, low and slack, with a short offset fork and a steeper seat tube angle. These numbers combine to make your ride more stable, more carvealicious, more comfortable climbing, more better everywhere. With FlipChip adjustability you’re able to further fine-tune your fit, ensuring that your new Stumpjumper performs flawlessly on whatever terrain you choose.

  • RIDER-FIRST ENGINEERED™ — Rider-First Engineered™ frames use a size-specific approach to ride characteristics that ensures benchmark handling and flawless performance, regardless of frame or rider size. Whether you’re a jump-happy grom riding an S1, or a DH-fiend giant in need of the lengthy S6, you’ll experience the same ride traits – rail-sharp cornering and balanced front and rear stiffness – at the lightest-possible weight, And by light, we mean real light: 2,250 grams (S-Works, S-3 size, with rear shock).

  • SWAT™ — When we introduced the SWAT™ door on the Stumpjumper in 2016, we increased pocket space, and added room for those “oh s**t” pumps and flat accessories. With the new Stumpjumper, we’ve kept those same design hallmarks that you know and love.

Technical Specifications

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Frameset

Frame

FACT 11m carbon chassis and rear-end, asymmetrical design, 29 Trail Geometry, SWAT™ Door integration, flip chip Head Tube/Bottom Bracket adjustment, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel

Seat Binder

Alloy, 38.6

SWAT

SWAT™ Door integration

Suspension

Rear Shock

FOX FLOAT DPS Performance Elite, Rx Trail Tune, EVOL Air sleeve, 3-position adjustment w/ Open Mode Adjustment, 190x45mm

Fork

FOX FLOAT 34 Performance Elite, GRIP2 damper, 15x110mm, 44mm offset, 140mm of travel

Brakes

Front Brake

SRAM G2 RSC, 4-piston caliper, hydraulic disc, 200mm

Rear Brake

SRAM G2 RSC, 4-piston caliper, hydraulic disc, 180mm

Drivetrain

Shift Levers

SRAM X01 Eagle, trigger, 12-speed

Rear Derailleur

Sram X01 Eagle, 12-speed

Cassette

Sram XG-1275, 12-speed, 10-52t

Chain

SRAM GX Eagle, 12-speed

Crankset

SRAM Descendant 7K, DUB, S1:165mm, S2-S5: 170mm, S6: 175mm

Chainrings

32T

Bottom Bracket

SRAM DUB, BSA 73mm, Threaded

Wheels & Tires

Rims

Roval Traverse 29 Alloy, 30mm inner width, hand-built, 2Bliss Ready

Front Hub

Roval, sealed cartridge bearings, 15x110mm spacing, 28h

Rear Hub

Roval DT Swiss 360, 3-pawl design, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h

Spokes

DT Swiss Competition Race

Front Tire

Butcher, GRID casing, GRIPTON® compound, 29x2.3"

Rear Tire

Purgatory, GRID Casing, GRIPTON® compound, 29x2.3"

Inner Tubes

Standard, Presta valve

Cockpit

Stem

Alloy Trail Stem, 35mm bar bore

Handlebars

Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 30mm rise, 800mm, 35mm clamp

Grips

Deity, Knuckleduster, Black

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)

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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S1S2S3S4S5S6
Crank Length165mm170mm170mm170mm170mm175mm
Handlebar Width780mm780mm780mm780mm780mm780mm
Stem Length40mm40mm50mm50mm50mm50mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length100 mm125 mm150 mm170mm170 mm190 mm
Stack (Low BB)614mm613mm622mm632mm641mm650mm
Stack (High BB)610mm609mm618mm627mm636mm646mm
Reach (Low BB)410mm430mm450mm475mm500mm530mm
Reach (High BB)415mm435mm455mm480mm505mm535mm
Headtube Length95mm100mm110mm120mm130mm140mm
Headtube Angle (Low BB)65°65°65°65°65°65°
Headtube Angle (High BB)65.5°65.5°65.5°65.5°65.5°65.5°
BB Height (Low BB)328mm333mm333mm333mm333mm333mm
BB Height (High BB)335mm340mm340mm340mm340mm340mm
BB Drop (Low BB)47mm42mm42mm42mm42mm42mm
BB Drop (High BB)40mm35mm35mm35mm35mm35mm
Trail (Low BB)126mm126mm126mm126mm126mm126mm
Trail (High BB)123mm123mm123mm123mm123mm123mm
Fork Length (full)550mm550mm550mm550mm550mm550mm
Fork Rake/Offset44mm44mm44mm44mm44mm44mm
Front Center724mm746mm770mm800mm829mm863mm
Chainstay Length432mm432mm432mm432mm442mm442mm
Wheelbase1152mm1175mm1200mm1228mm1268mm1302mm
Top-tube Length (horizontal)563mm583mm605mm632mm660mm692mm
Bike Standover Height730mm734mm744mm749mm757mm757mm
Seat Tube Length385mm385mm405mm425mm445mm465mm
Seat Tube Angle (Low BB)76°76°76°76°76°76°
Seat Tube Angle (High BB)76.5°76.5°76.5°76.5°76.5°76.5°
Max Seatpost Insertion220mm220mm240mm260mm280mm300mm
Min Seatpost Insertion80mm80mm80mm80mm80mm80mm
Geometry

Manual Downloads

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Specialized Bicycle Owner's Manual (All Languages)
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Specialized Bicycle Owner's Manual Addendum: Riding With Kids
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Trainer Usage Addendum to the Bicycle Owner's Manual
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2021 Stumpjumper Carbon User Manual
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2021 STUMPJUMPER - USER MANUAL - SWEDISH
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2021 STUMPJUMPER - USER MANUAL - SPANISH
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2021 STUMPJUMPER - USER MANUAL - SLOVENIAN
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2021 STUMPJUMPER - USER MANUAL - SLOVAK
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2021 STUMPJUMPER - USER MANUAL - RUSSIAN
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2021 STUMPJUMPER - USER MANUAL - PORTUGUESE BRAZILAN
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2021 STUMPJUMPER - USER MANUAL - POLISH
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2021 STUMPJUMPER - USER MANUAL - NORWEGIAN
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2021 STUMPJUMPER - USER MANUAL - KOREAN
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2021 STUMPJUMPER - USER MANUAL - JAPANESE
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2021 STUMPJUMPER - USER MANUAL - ITALIAN
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2021 STUMPJUMPER - USER MANUAL - GERMAN
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2021 STUMPJUMPER - USER MANUAL - FRENCH
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2021 STUMPJUMPER - USER MANUAL - FINNISH
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2021 STUMPJUMPER - USER MANUAL - ENGLISH
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2021 STUMPJUMPER - USER MANUAL - DUTCH
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2021 STUMPJUMPER - USER MANUAL - DANISH
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2021 STUMPJUMPER - USER MANUAL - CZECH
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2021 STUMPJUMPER - USER MANUAL - CROATIAN
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2021 STUMPJUMPER - USER MANUAL - CHINESE TRADITIONAL
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2021 STUMPJUMPER - USER MANUAL - CHINESE SIMPLIFIED
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2017 FSR Tool Kit User Manual
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2022 ROVAL ROAD AND MOUNTAIN WHEELSETS - OWNER'S MANUAL - PORTUGUESE BRAZILIAN
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2022 ROVAL ROAD AND MOUNTAIN WHEELSETS - OWNER'S MANUAL - CHINESE SIMPLIFIED
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2022 ROVAL ROAD AND MOUNTAIN WHEELSETS - OWNER'S MANUAL - FRENCH
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2022 ROVAL ROAD AND MOUNTAIN WHEELSETS - OWNER'S MANUAL - GERMAN
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2022 ROVAL ROAD AND MOUNTAIN WHEELSETS - OWNER'S MANUAL - SPANISH
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2022 ROVAL ROAD AND MOUNTAIN WHEELSETS - OWNER'S MANUAL - ENGLISH

Rider Reviews

5

2 Reviews

 

Fantastic all around trail bike

Started looking at these after renting a Stumpjumper Comp Alloy 2020. Updated from older models of carbon Sight and Trance, this 29er climbs over terrain more easily, has the same 140mm travel as the Trance but smoother, especially fire roads on the climb. Great all rounder all mountain/trail bike, with the decent Eagle GX group set

Would Recommend?
Yes!

Name:
Matt

Helpful?

MMMMMMM it's the bike I always wanted

(sigh) How good it feels to have the bike that rides like I always thought a mountain bike should! And I test rode a lot of bikes. I love my Stumpjumper Expert (I call him ""The Professor"" as he has really taken my riding to the next level. Thanks, Specialized!


Name:
Mike

Helpful?

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