Specialized Stumpjumper 15 Expert
Specialized Stumpjumper 15 Expert






The Full Scoop on the Specialized Stumpjumper 15 Expert
The Stumpjumper 15 just scored “Best in Test” from Enduro Magazine , and for good reason. With a lightweight carbon frame, the precision of a Fox Float 36 fork, and game-changing GENIE suspension, it’s built to handle anything the trail throws your way. Add in its perfectly balanced feel and all-terrain versatility, and you’ve got one bike that truly does it all—no limits, just pure ride-anywhere freedom.
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 |
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 |
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 |
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 |
Rear Derailleur | SRAM GX Eagle Transmission Derailleur |
Shift Levers | SRAM AXS POD Controller |
Chain | SRAM GX Eagle Transmission Flattop Chain |
Cassette | SRAM GX Eagle Transmission Cassette, 12spd, 10-52t |
Crankset | SRAM GX Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm |
Chain Ring | Spec not provided |
Chain Guard | Spec not provided |
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 |
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" |
Handlebar | 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 |
Stem | Alloy Trail Stem, 35mm bar bore |
Headset | Spec not provided |
Grips | Deity Lockjaw |
Saddle | Bridge Comp, Hollow Cr-mo rails S1-S2:155mm, S3-S6:143mm |
Seatpost | PNW Loam Dropper, tool-less travel adjust, Range lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm |
Pedals | Not applicable |
Front Light | Not applicable |
Rear Light | Not applicable |
Kickstand | Not applicable |
Rear Carrier | Not applicable |
Fenders | Not applicable |
Bell | Not applicable |
Lock | Not applicable |
Mirror | Not applicable |


The Full Scoop on the Specialized Stumpjumper 15 Expert
Description
The Stumpjumper 15 just scored “Best in Test” from Enduro Magazine , and for good reason. With a lightweight carbon frame, the precision of a Fox Float 36 fork, and game-changing GENIE suspension, it’s built to handle anything the trail throws your way. Add in its perfectly balanced feel and all-terrain versatility, and you’ve got one bike that truly does it all—no limits, just pure ride-anywhere freedom.
Components
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 |
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 |
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 |
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 |
Rear Derailleur | SRAM GX Eagle Transmission Derailleur |
Shift Levers | SRAM AXS POD Controller |
Chain | SRAM GX Eagle Transmission Flattop Chain |
Cassette | SRAM GX Eagle Transmission Cassette, 12spd, 10-52t |
Crankset | SRAM GX Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm |
Chain Ring | Spec not provided |
Chain Guard | Spec not provided |
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 |
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" |
Handlebar | 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 |
Stem | Alloy Trail Stem, 35mm bar bore |
Headset | Spec not provided |
Grips | Deity Lockjaw |
Saddle | Bridge Comp, Hollow Cr-mo rails S1-S2:155mm, S3-S6:143mm |
Seatpost | PNW Loam Dropper, tool-less travel adjust, Range lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm |
Extras
Pedals | Not applicable |
Front Light | Not applicable |
Rear Light | Not applicable |
Kickstand | Not applicable |
Rear Carrier | Not applicable |
Fenders | Not applicable |
Bell | Not applicable |
Lock | Not applicable |
Mirror | Not applicable |
Geometry

