2025 Specialized Stumpjumper 15 Expert

C$8,499.95
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SKU: 93325-3104

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“The Stumpjumper 15 with GENIE gives me the benefits of a big travel bike and the benefits of a short travel bike in one.” ~ Allan Cooke

Stumpjumper 15 is here to obliterate every trade-off in the trail game. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. How about a heaping helping of personalization to make it perfect for the only rider who really matters—you?  Check, check, check.

BREAKTHROUGH CAPABILITY: GENIE Shock Technology combines a poppy, playful ride with a bottomless DH feel.

ULTIMATE CONTROL: Measurably better traction than “Bike of the Year” Stumpjumper EVO.

UNMATCHED PERSONALIZATION: Six-way geometry adjustment, mixed wheel or 29”, tunable spring curve, and more.

GENIE—The Magic Carpet Ride: The biggest innovation on the Stumpjumper 15 is GENIE. This patent-pending air spring technology that we invented grants every trail rider’s three wishes: the feel and control of a coil spring, better bottom-out prevention than a standard air spring, and a tunable “platform” for a playful feel.

ILLUMINATING GENIE: GENIE combines the control-enhancing linear spring rate of a coil spring through the “bump zone” with the progressive spring rate of an air spring at the end of the stroke to avoid bottom-outs. Truly, it's the best of both worlds – coil and air – with extra tunability. Say goodbye to compromises and hello to the future of riding.

WHAT BUMP?: With 16.3% better bump force management than a traditional air-sprung shock, GENIE makes the Stumpy 15 ride like a bike with more travel. For example, the Stumpjumper 15 (with 145 mm rear wheel travel) and our Enduro (170 mm travel) both use 101 mm of travel to absorb a 1080 N bump force.

TRACTION GALORE: Extensive field testing proves that Stumpjumper 15 with GENIE delivers 57% better traction than a standard air-sprung shock because GENIE technology gives you supple, coil-like performance, which keeps the wheel in contact with the ground a greater percent of the time than a typical air spring would.

BYE, BYE, BOTTOM-OUTS: 39% fewer bottom-outs than a standard air spring. During big hit events, you benefit from the rising rate in the last 30% of the GENIE stroke. Because of this two-stage, pronounced rising rate, GENIE reduces the frequency and severity of bottom-outs.

HONED GEOMETRY: This bike’s geometry delivers big bike capability when you need it, a nimble feel in tight sections, and lively, efficient climbing manners. The generous cockpit centers you on the bike, optimizing traction and corner control. The low bottom bracket, slack head tube angle, and optimized fork offset keep things stable in the rough.

RIDE YOUR WAY: The Stumpjumper 15 seamlessly integrates benchmark geo adjustability, making it the most personalizable trail bike ever. Six distinct geometry settings allow you to hone performance for any style, any terrain. Head angle and bottom bracket height can be fine-tuned for stability or clearance.

WHEEL CHOICE: With our aftermarket shock links, you can choose between big wheels front and rear or mix things up with a 27.5” rear for a more responsive and playful ride. No matter what you choose, geometry is unaffected.

CARRY IT ALL: SWAT 4.0 on Stumpjumper 15 elevates downtube storage, an innovation we pioneered. It’s the smoothest operating, most weather-resistant, flush-mounted system ever.

MORE RELENTLESS THAN YOU: Our full suspension bikes are built to be relentless, designed to endure years of hard riding and backed by the best support and policies to keep you on the trail. Our unbeatable lifetime, no-questions-asked bearing replacement policy is just one way we've got you covered.

  • Lightweight FACT 11m carbon chassis, rear-end, and link
  • Ride Dynamics tuned FOX FLOAT Factory with Specialized GENIE Shock Tech. Highly adjustable 2-position open and firm mode with 3-position open mode compression adjuster
  • Lifetime bearing replacement
  • Compatible with electronic drivetrains only

SPECS

FRAMESET

  • Frame
    • FACT 11m carbon chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal brake and dropper cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
  • SWAT
    • SWAT 4.0 internal downtube storage
  • Seat Binder
    • Alloy, 38.6mm

SUSPENSION

  • Rear Shock
    • FOX FLOAT Performance Elite with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/3 setting Open mode tuning range, LSR adjustment, S1: 210x52.5mm, S2-S6: 210x55mm
  • Fork
    • FOX FLOAT 36 Performance Elite, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, S1: 140mm of travel, S2-S6: 150mm of travel

COCKPIT

  • SeatPost
    • PNW Loam Dropper, tool-less travel adjust, Range lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm
  • Stem
    • Alloy Trail Stem, 35mm bar bore
  • Saddle
    • Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm
  • Handlebars
    • Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep, S1-S2: 780 width, 20mm rise, S3-S4: 800 width, 30mm rise, S5-S6: 800 width, 40mm rise
  • Grips
    • Deity Lockjaw

BRAKES

  • Front Brake
    • SRAM Maven Bronze, 4-piston caliper, hydraulic disc, 200mm HS2 Rotor
  • Rear Brake
    • SRAM Maven Bronze, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 200mm HS2 Rotor

DRIVETRAIN

  • Shift Levers
    • SRAM AXS POD Controller
  • Rear Derailleur
    • SRAM GX Eagle Transmission Derailleur
  • Cassette
    • SRAM GX Eagle Transmission Cassette, 12spd, 10-52t
  • Chain
    • SRAM GX Eagle Transmission Flattop Chain
  • Crankset
    • SRAM GX Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3: 165mm, S4-S6: 170mm
  • Bottom Bracket
    • SRAM DUB, BSA 73mm Wide, Threaded

WHEELS & TIRES

  • Rims
    • Roval Traverse, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2: 27.5, S3-S6: 29
  • Front Hub
    • DT Swiss 370, 15x110mm, 28h
  • Rear Hub
    • DT Swiss 370, 12x148mm, 28h
  • Spokes
    • Sapim Force
  • Front Tire
    • Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
  • Rear Tire
    • Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3-S6: 29x2.3"
  • Inner Tubes
    • Standard, Presta valve

PRODUCT DETAILS

  • Product ID
    • 221401

WEIGHT

  • Weight
    • 14.47kg (31 lb, 14.4 oz)
  • Weight Size
    • S4

Geometry

  S1 S2 S3 S4 S5 S6
Stack 608mm 618mm 627mm 640mm 654mm 667mm
Reach 400mm 425mm 450mm 475mm 500mm 530mm
Headtube Length 95mm 100mm 110mm 125mm 140mm 155mm
Headtube Angle 64.5° 64.5° 64.5° 64.5° 64.5° 64.5°
BB Height 334mm 337mm 337mm 337mm 337mm 337mm
BB Drop 41mm 38mm 38mm 38mm 38mm 38mm
Trail 129mm 130mm 130mm 130mm 130mm 130mm
Fork Length (full) 551mm 561mm 561mm 561mm 561mm 561mm
Fork Rake/Offset 44mm 44mm 44mm 44mm 44mm 44mm
Front Center 720mm 751mm 780mm 812mm 843mm 879mm
Chainstay Length 430mm 432mm 435mm 435mm 445mm 445mm
Wheelbase 1149mm 1181mm 1213mm 1244mm 1285mm 1322mm
Top-tube Length (horizontal) 541mm 573mm 595mm 624mm 647mm 677mm
Bike Standover Height 738mm 751mm 745mm 745mm 745mm 751mm
Seat Tube Length 385mm 385mm 405mm 425mm 445mm 465mm
Seat Tube Angle 78° 77° 77° 76.5° 76.5° 76.5°
Saddle Height for Effective ST Angle 645mm 690mm 735mm 780mm 825mm 870mm
Max Seatpost Insertion 245mm 245mm 255mm 255mm 285mm 285mm
Min Seatpost Insertion 80mm 80mm 80mm 80mm 80mm 80mm