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Specialized S-Works Stumpjumper 15 Mountain Bike 2025


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S-Works Stumpjumper 15 Mountain Bike 2025
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Product ID: 1822763

Specalized S-Works Stumpjumper 15 Mountain Bike 2025

The Stumpjumper 15 is here to revolutionize trail riding by eliminating every trade-off. With GENIE Shock Technology, it combines a playful ride with a bottomless DH feel, delivering 16.3% better bump force management and 57% better traction than standard air shocks. The six-way geometry adjustment, mixed wheel or 29” options, and tunable spring curve provide unmatched personalization. The lightweight FACT 11m carbon chassis, Roval Traverse SL II wheels, SRAM XX Eagle T-Type AXS drivetrain, and RockShox Reverb AXS dropper post ensure top-tier performance. Additionally, SWAT 4.0 downtube storage and a lifetime replacement of suspension pivot bearings highlight its practical design. This bike’s geometry, featuring a low bottom bracket and slack head tube angle, offers stability and nimbleness, making the Stumpjumper 15 the ultimate trail machine.

Technical Specification

SWAT SWAT 4.0 internal downtube storage
Frame FACT 11m carbon chassis, rear-end, and link, 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
Seat Binder Alloy, 38.6mm
Fork FOX FLOAT 36 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, S1
Rear Shock FOX FLOAT Factory with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/3 setting Open mode tuning range, LSR adjustment, S1
Stem Deity, 35mm clamp, 35mm length
Grips Deity Lockjaw
Handlebars Roval Traverse SL Carbon, riser bar, 6-degree upsweep, 8-degree backsweep, 30mm rise, S1-S2
SeatPost RockShox, Reverb AXS, 30.9, S1
Saddle Power Pro Mirror, Hollow Ti rails, S1-S2
Front Brake SRAM Maven Ultimate, 4-piston caliper, hydraulic disc, 200mm HS2 Rotor
Rear Brake SRAM Maven Ultimate, 4-piston caliper, hydraulic disc, S1-S2
Cassette SRAM XX Eagle SL Transmission Cassette, 12spd, 10-52t
Bottom Bracket SRAM DUB, BSA 73mm Wide, Threaded
Shift Levers SRAM AXS POD Ultimate Controller
Crankset SRAM XX Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3
Rear Derailleur SRAM XX Eagle Transmission Derailleur
Chain SRAM XX Eagle SL Transmission Flattop Chain
Rims Roval Traverse SL II, hookless carbon, 30mm inner width, tubeless ready, 28h, Front
Front Hub DT Swiss 240, 15x110mm, 28h
Front Tire Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
Rear Hub DT Swiss 240, 12x148mm, 28h
Rear Tire Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2
Spokes DT Swiss Aerolite
Inner Tubes Standard, Presta valve
Weight 13.56kg (29 lb, 14.3 oz)
Weight Size S4

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.

If you require any assistance please contact our Customer Care team.

Specialized S-Works Stumpjumper 15 Mountain Bike 2025 Sizing

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