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S-Works Stumpjumper
2021 S-Works Stumpjumper
When we say "The Ultimate Trail Bike," we mean it—the all-new Stumpjumper is everything you could ever ask for in a trail-ripping steed. Want a bike that climbs with ease? The Stumpjumper delivers, thanks to a ground-up suspension redesign and lightest-in-class frame weight. How about something that's ready to shred when the trail turns downhill? That suspension re-design - paired with new Trail Geometry and the Rider-First Engineered™ frame’s perfect blend of stiffness and light weight - turns the Stumpjumper into an absolute monster descending. Point it where you want to go and let the party begin.
As with all of our S-Works bikes, the S-Works Stumpjumper is dressed to impress. SRAM's XX1 Eagle AXS wireless electronic groupset handles shifting duties while FOX Factory suspension delivers a magic carpet-smooth ride.
Technical Specifications
Frameset
Frame
FACT 11m carbon chassis and rear-end, carbon shock extension, 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
SWAT
SWAT™ Door integration
Seat Binder
Alloy, 38.6
Suspension
Rear Shock
FOX FLOAT DPS Factory, Rx Trail Tune, EVOL Air sleeve, Kashima Coat, 3-position adjustment w/ Open Mode Adjustment, 190x45mm
Fork
FOX FLOAT 34 Factory, GRIP2 damper, Kashima Coating, 15x110mm, 44mm offset, 140mm of travel
Cockpit
Saddle
Bridge, 155/143mm, Hollow Ti-rails
SeatPost
RockShox Reverb AXS, 30.9, 1X remote, (S1:100mm, S2: 125mm, S3: 150mm, S4-S6: 170mm)
Handlebars
Roval Traverse SL Carbon, riser bar, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm, 35.0mm
Stem
Deity, 35.0mm
Grips
Deity, Knuckleduster, Black
Brakes
Front Brake
SRAM G2 ULTIMATE, 4-piston caliper, hydraulic disc, 200mm
Rear Brake
SRAM G2 ULTIMATE, 4-piston caliper, hydraulic disc, 180mm
Drivetrain
Shift Levers
SRAM XX1 Eagle AXS
Cassette
SRAM XG-1299 Eagle, 10-52t
Rear Derailleur
SRAM XX1 Eagle AXS
Chain
SRAM XX1, 12 speed
Crankset
SRAM XX1 Eagle, DUB, S1:165mm, S2-S5: 170mm, S6: 175mm
Chainrings
30T
Bottom Bracket
SRAM DUB, BSA 73mm, Threaded
Wheels & Tires
Rims
Roval Control 240, hookless carbon, 29mm inner width, hand-built, 2Bliss Ready
Front Hub
DT Swiss 240, sealed cartridge bearings, 15x110mm spacing, 28h
Rear Hub
DT Swiss 240, Ratchet EXP, 36t engagement, 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
* 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
| S1 | S2 | S3 | S4 | S5 | S6 | |
|---|---|---|---|---|---|---|
| Crank Length | 165mm | 170mm | 170mm | 170mm | 170mm | 175mm |
| Handlebar Width | 780mm | 780mm | 780mm | 780mm | 780mm | 780mm |
| Stem Length | 35mm | 35mm | 50mm | 50mm | 50mm | 50mm |
| Saddle Width | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm |
| Seatpost Length | 100 mm | 125 mm | 150 mm | 170 mm | 170 mm | 170 mm |
| Stack (Low BB) | 614mm | 613mm | 622mm | 632mm | 641mm | 650mm |
| Stack (High BB) | 610mm | 609mm | 618mm | 627mm | 636mm | 646mm |
| Reach (Low BB) | 410mm | 430mm | 450mm | 475mm | 500mm | 530mm |
| Reach (High BB) | 415mm | 435mm | 455mm | 480mm | 505mm | 535mm |
| Headtube Length | 95mm | 100mm | 110mm | 120mm | 130mm | 140mm |
| 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) | 328mm | 333mm | 333mm | 333mm | 333mm | 333mm |
| BB Height (High BB) | 335mm | 340mm | 340mm | 340mm | 340mm | 340mm |
| BB Drop (Low BB) | 47mm | 42mm | 42mm | 42mm | 42mm | 42mm |
| BB Drop (High BB) | 40mm | 35mm | 35mm | 35mm | 35mm | 35mm |
| Trail (Low BB) | 126mm | 126mm | 126mm | 126mm | 126mm | 126mm |
| Trail (High BB) | 123mm | 123mm | 123mm | 123mm | 123mm | 123mm |
| Fork Length (full) | 550mm | 550mm | 550mm | 550mm | 550mm | 550mm |
| Fork Rake/Offset | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
| Front Center | 724mm | 746mm | 770mm | 800mm | 829mm | 863mm |
| Chainstay Length | 432mm | 432mm | 432mm | 432mm | 442mm | 442mm |
| Wheelbase | 1152mm | 1175mm | 1200mm | 1228mm | 1268mm | 1302mm |
| Top-tube Length (horizontal) | 563mm | 583mm | 605mm | 632mm | 660mm | 692mm |
| Bike Standover Height | 730mm | 734mm | 744mm | 749mm | 757mm | 757mm |
| Seat Tube Length | 385mm | 385mm | 405mm | 425mm | 445mm | 465mm |
| 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 Insertion | 220mm | 220mm | 240mm | 260mm | 280mm | 300mm |
| Min Seatpost Insertion | 80mm | 80mm | 80mm | 80mm | 80mm | 80mm |
Manual Downloads
Rider Reviews
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