{"product_id":"2025-stumpjumper-15-alloy-frm-1","title":"Specialized Stumpjumper 15 Alloy Frameset FOX GENIE Performance Trail MTB","description":"\u003cdiv class=\"LegacyView__Html\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003ch2\u003eSpecialized Stumpjumper 15 Alloy Frameset\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eM5 Alloy | FOX FLOAT GENIE Performance Shock | Trail MTB\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSpecialized Stumpjumper 15 Alloy Frameset\u003c\/strong\u003e is built to eliminate compromises on the trail. Combining an all-new M5 alloy chassis with Specialized's revolutionary \u003cstrong\u003eGENIE air spring technology\u003c\/strong\u003e, it delivers the traction and sensitivity of a coil shock, the bottom-out resistance of an air shock, and unmatched adjustability for every riding style.\u003c\/p\u003e\n\u003cp\u003eWhether you're charging technical descents, flowing through singletrack, or climbing efficiently back to the top, the Stumpjumper 15 Alloy adapts to your terrain with six-way geometry adjustment, configurable wheel sizes, and SWAT™ integrated storage.\u003c\/p\u003e\n\u003cp\u003eAvailable from \u003cstrong\u003eStage 21 Bikes\u003c\/strong\u003e, your trusted source for genuine Specialized bikes, frames, and performance upgrades.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBreakthrough Trail Performance\u003c\/h2\u003e\n\u003cp\u003eThe Stumpjumper 15 Alloy combines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBig-bike confidence on descents\u003c\/li\u003e\n\u003cli\u003eEfficient climbing performance\u003c\/li\u003e\n\u003cli\u003ePlayful handling\u003c\/li\u003e\n\u003cli\u003eOutstanding traction\u003c\/li\u003e\n\u003cli\u003eExtensive rider customization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is the most adjustable Stumpjumper ever built.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGENIE Suspension Technology\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the Stumpjumper 15 Alloy is \u003cstrong\u003eSpecialized GENIE\u003c\/strong\u003e, a patent-pending air spring system that combines the advantages of coil and air suspension.\u003c\/p\u003e\n\u003cp\u003eGENIE delivers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoil-like small bump sensitivity\u003c\/li\u003e\n\u003cli\u003eImproved mid-stroke support\u003c\/li\u003e\n\u003cli\u003eProgressive end-stroke ramp-up\u003c\/li\u003e\n\u003cli\u003eExcellent bottom-out resistance\u003c\/li\u003e\n\u003cli\u003eIndependent tuning of mid- and end-stroke support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBetter Bump Management\u003c\/h2\u003e\n\u003cp\u003eCompared to a conventional air shock, GENIE provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e16.3% better bump force management\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e57% more traction\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e39% fewer bottom-outs\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is increased control, smoother suspension action, and more confidence on technical terrain.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRide Dynamics Tuned FOX FLOAT Performance Shock\u003c\/h2\u003e\n\u003cp\u003eIncluded with the frameset:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFOX FLOAT Performance Shock\u003c\/li\u003e\n\u003cli\u003eSpecialized Ride Dynamics tune\u003c\/li\u003e\n\u003cli\u003eIntegrated GENIE air spring technology\u003c\/li\u003e\n\u003cli\u003eOpen\/Firm two-position damper adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRide Your Way\u003c\/h2\u003e\n\u003cp\u003eThe Stumpjumper 15 Alloy offers six distinct geometry configurations.\u003c\/p\u003e\n\u003cp\u003eAdjustments include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead tube angle\u003c\/li\u003e\n\u003cli\u003eBottom bracket height\u003c\/li\u003e\n\u003cli\u003eMixed-wheel compatibility\u003c\/li\u003e\n\u003cli\u003eFull 29-inch compatibility\u003c\/li\u003e\n\u003cli\u003eTunable suspension progression\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCustomize the bike for aggressive descending, technical climbing, or all-around trail performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWheel Choice\u003c\/h2\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull 29-inch wheels\u003c\/li\u003e\n\u003cli\u003eMixed-wheel (29\"\/27.5\") setup using aftermarket shock links\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGeometry remains properly balanced regardless of wheel configuration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSWAT™ Storage\u003c\/h2\u003e\n\u003cp\u003eIntegrated SWAT™ downtube storage provides secure internal space for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTools\u003c\/li\u003e\n\u003cli\u003eTubes\u003c\/li\u003e\n\u003cli\u003eCO₂ cartridges\u003c\/li\u003e\n\u003cli\u003eRide essentials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eDurable M5 Alloy Construction\u003c\/h2\u003e\n\u003cp\u003eFeatures include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll-new M5 premium alloy frame\u003c\/li\u003e\n\u003cli\u003eInternal cable routing\u003c\/li\u003e\n\u003cli\u003eIntegrated SWAT™ door\u003c\/li\u003e\n\u003cli\u003eModern trail geometry\u003c\/li\u003e\n\u003cli\u003eOptimized stiffness and compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eLifetime Pivot Bearing Support\u003c\/h2\u003e\n\u003cp\u003eSpecialized backs the Stumpjumper 15 Alloy with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLifetime replacement suspension pivot bearings\u003c\/li\u003e\n\u003cli\u003eOriginal owner coverage\u003c\/li\u003e\n\u003cli\u003eIndustry-leading long-term support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrameset Specifications\u003c\/h2\u003e\n\u003ch3\u003eFrame\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpecialized M5 Alloy\u003c\/li\u003e\n\u003cli\u003eIntegrated SWAT™ storage\u003c\/li\u003e\n\u003cli\u003eInternal cable routing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRear Shock\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFOX FLOAT Performance\u003c\/li\u003e\n\u003cli\u003eSpecialized GENIE air spring\u003c\/li\u003e\n\u003cli\u003eRide Dynamics tuned\u003c\/li\u003e\n\u003cli\u003eTwo-position Open\/Firm adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRear Travel\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e145mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eGeometry Highlights\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eS1\u003c\/th\u003e\n\u003cth\u003eS2\u003c\/th\u003e\n\u003cth\u003eS3\u003c\/th\u003e\n\u003cth\u003eS4\u003c\/th\u003e\n\u003cth\u003eS5\u003c\/th\u003e\n\u003cth\u003eS6\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003e400mm\u003c\/td\u003e\n\u003ctd\u003e425mm\u003c\/td\u003e\n\u003ctd\u003e450mm\u003c\/td\u003e\n\u003ctd\u003e475mm\u003c\/td\u003e\n\u003ctd\u003e500mm\u003c\/td\u003e\n\u003ctd\u003e530mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStack\u003c\/td\u003e\n\u003ctd\u003e608mm\u003c\/td\u003e\n\u003ctd\u003e618mm\u003c\/td\u003e\n\u003ctd\u003e627mm\u003c\/td\u003e\n\u003ctd\u003e640mm\u003c\/td\u003e\n\u003ctd\u003e654mm\u003c\/td\u003e\n\u003ctd\u003e667mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Angle\u003c\/td\u003e\n\u003ctd\u003e64.5°\u003c\/td\u003e\n\u003ctd\u003e64.5°\u003c\/td\u003e\n\u003ctd\u003e64.5°\u003c\/td\u003e\n\u003ctd\u003e64.5°\u003c\/td\u003e\n\u003ctd\u003e64.5°\u003c\/td\u003e\n\u003ctd\u003e64.5°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Angle\u003c\/td\u003e\n\u003ctd\u003e78°\u003c\/td\u003e\n\u003ctd\u003e77°\u003c\/td\u003e\n\u003ctd\u003e77°\u003c\/td\u003e\n\u003ctd\u003e76.5°\u003c\/td\u003e\n\u003ctd\u003e76.5°\u003c\/td\u003e\n\u003ctd\u003e76.5°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainstay\u003c\/td\u003e\n\u003ctd\u003e430mm\u003c\/td\u003e\n\u003ctd\u003e432mm\u003c\/td\u003e\n\u003ctd\u003e435mm\u003c\/td\u003e\n\u003ctd\u003e435mm\u003c\/td\u003e\n\u003ctd\u003e445mm\u003c\/td\u003e\n\u003ctd\u003e445mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Travel\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Color \u0026amp; Part Numbers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSatin Obsidian \/ Silver Dust\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eS1\u003c\/td\u003e\n\u003ctd\u003e73325-7001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS2\u003c\/td\u003e\n\u003ctd\u003e73325-7002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS6\u003c\/td\u003e\n\u003ctd\u003e73325-7006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll-new M5 alloy frame\u003c\/li\u003e\n\u003cli\u003eFOX FLOAT Performance shock\u003c\/li\u003e\n\u003cli\u003eSpecialized GENIE air spring technology\u003c\/li\u003e\n\u003cli\u003e145mm rear travel\u003c\/li\u003e\n\u003cli\u003eSix-way geometry adjustment\u003c\/li\u003e\n\u003cli\u003eMixed-wheel compatibility\u003c\/li\u003e\n\u003cli\u003eFull 29er compatibility\u003c\/li\u003e\n\u003cli\u003eIntegrated SWAT™ downtube storage\u003c\/li\u003e\n\u003cli\u003eRide Dynamics suspension tuning\u003c\/li\u003e\n\u003cli\u003eLifetime replacement pivot bearings for the original owner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTechnical trail riding\u003c\/li\u003e\n\u003cli\u003eAll-mountain adventures\u003c\/li\u003e\n\u003cli\u003eAggressive singletrack\u003c\/li\u003e\n\u003cli\u003eEndurance trail rides\u003c\/li\u003e\n\u003cli\u003eRiders seeking maximum adjustability\u003c\/li\u003e\n\u003cli\u003eRiders wanting coil-like suspension performance with air shock efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose the Stumpjumper 15 Alloy Frameset?\u003c\/h2\u003e\n\u003cp\u003eThe Specialized Stumpjumper 15 Alloy Frameset delivers trail performance without compromise. Its innovative GENIE suspension technology combines coil-like traction with progressive air spring support, while six-way geometry adjustment, mixed-wheel compatibility, and integrated SWAT™ storage let you tailor the bike to your riding style. Backed by Specialized's lifetime pivot bearing replacement policy for the original owner, it's built to handle years of demanding trail riding.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications Summary\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSpecialized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eStumpjumper 15 Alloy Frameset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Material\u003c\/td\u003e\n\u003ctd\u003eM5 Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Travel\u003c\/td\u003e\n\u003ctd\u003e145mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Shock\u003c\/td\u003e\n\u003ctd\u003eFOX FLOAT Performance with GENIE Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Tune\u003c\/td\u003e\n\u003ctd\u003eRide Dynamics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeometry Adjustment\u003c\/td\u003e\n\u003ctd\u003eSix Positions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Compatibility\u003c\/td\u003e\n\u003ctd\u003e29\" or Mixed Wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eIntegrated SWAT™ Downtube Storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Sizes\u003c\/td\u003e\n\u003ctd\u003eS1, S2, S3, S4, S5, S6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSatin Obsidian \/ Silver Dust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Specialized","offers":[{"title":"S1","offer_id":48841126609136,"sku":"73325-7001","price":1680.0,"currency_code":"USD","in_stock":true},{"title":"S2","offer_id":48841126641904,"sku":"73325-7002","price":1680.0,"currency_code":"USD","in_stock":false},{"title":"S6","offer_id":48841126674672,"sku":"73325-7006","price":1680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/8142\/8720\/files\/91ac8a621710324b87cb0044f4901884828f2818_51bffb70-abeb-4d11-b05d-1010a1a80f8b.jpg?v=1771458795","url":"https:\/\/stage21bikes.com\/products\/2025-stumpjumper-15-alloy-frm-1","provider":"Stage 21 Bikes","version":"1.0","type":"link"}