Specialized Stumpjumper 15 EVO Expert Di2
Specialized Stumpjumper 15 EVO Expert Di2










The Full Scoop on the Specialized Stumpjumper 15 EVO Expert Di2
The Stumpjumper 15 just claimed “Best in Test” from Enduro Magazine , and it’s clear why. With a lightweight carbon frame, precision-tuned Fox Float 36 fork, cutting-edge GENIE suspension, and the seamless performance of Shimano Di2 electronic shifting, this bike is ready for whatever the trail serves up. Balanced, capable, and wildly versatile—it’s your go-anywhere, do-everything ride. One bike, all trails.
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 |
Fork | FOX FLOAT 36 Performance Elite, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm Kabolt axle, 44mm offset, S1:150mm of travel, S2-S6:160mm of travel |
Rear Shock | FOX FLOAT X Performance Elite with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSC adjustment, LSR adjustment, 210x55mm |
Front Brake | Shimano Deore XT brake, 4 piston, Metal pad w/fin, 203mm rotor |
Rear Brake | Shimano Deore XT brake, 4 piston, Metal pad w/fin, S1-S2: 180mm, S3-S6: 203mm rotor |
Rear Derailleur | Shimano XT Di2, 12-speed |
Shift Levers | Shimano XT Di2 |
Chain | Shimano XT M8100, 12-speed w/ quick link |
Cassette | Shimano XT M8200, 12-speed, 10-51 |
Crankset | Shimano XT, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm |
Chain Ring | Spec not provided |
Chain Guard | Spec not provided |
Front wheel | Roval Traverse 29" Rim, hookless alloy, 30mm inner width, tubeless ready, DT Swiss 370, 15x110mm, 28h, Sapim Force Spokes, 6 bolt |
Rear wheel | Roval Traverse Rim, hookless alloy, 30mm inner width, tubeless ready, DT Swiss 370, 15x110mm, 28h, Sapim Force Spokes, 6 bolt |
Front Hub | Not applicable |
Rear Hub | Not applicable |
Front Tire | Butcher, GRID TRAIL casing, GRIPTON® T9 compound, TLR, 29X2.4 |
Rear Tire | Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4" |
Handlebar | Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S6: 800 width, 50mm rise |
Stem | Alloy Trail Stem, 35mm bar bore |
Headset | Spec not provided |
Grips | Deity Lockjaw Grips |
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: 175mm, S4-S5: 200mm, S6: 225mm |
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 EVO Expert Di2
Description
The Stumpjumper 15 just claimed “Best in Test” from Enduro Magazine , and it’s clear why. With a lightweight carbon frame, precision-tuned Fox Float 36 fork, cutting-edge GENIE suspension, and the seamless performance of Shimano Di2 electronic shifting, this bike is ready for whatever the trail serves up. Balanced, capable, and wildly versatile—it’s your go-anywhere, do-everything ride. One bike, all trails.
Components
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 |
Fork | FOX FLOAT 36 Performance Elite, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm Kabolt axle, 44mm offset, S1:150mm of travel, S2-S6:160mm of travel |
Rear Shock | FOX FLOAT X Performance Elite with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSC adjustment, LSR adjustment, 210x55mm |
Front Brake | Shimano Deore XT brake, 4 piston, Metal pad w/fin, 203mm rotor |
Rear Brake | Shimano Deore XT brake, 4 piston, Metal pad w/fin, S1-S2: 180mm, S3-S6: 203mm rotor |
Rear Derailleur | Shimano XT Di2, 12-speed |
Shift Levers | Shimano XT Di2 |
Chain | Shimano XT M8100, 12-speed w/ quick link |
Cassette | Shimano XT M8200, 12-speed, 10-51 |
Crankset | Shimano XT, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm |
Chain Ring | Spec not provided |
Chain Guard | Spec not provided |
Front wheel | Roval Traverse 29" Rim, hookless alloy, 30mm inner width, tubeless ready, DT Swiss 370, 15x110mm, 28h, Sapim Force Spokes, 6 bolt |
Rear wheel | Roval Traverse Rim, hookless alloy, 30mm inner width, tubeless ready, DT Swiss 370, 15x110mm, 28h, Sapim Force Spokes, 6 bolt |
Front Hub | Not applicable |
Rear Hub | Not applicable |
Front Tire | Butcher, GRID TRAIL casing, GRIPTON® T9 compound, TLR, 29X2.4 |
Rear Tire | Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4" |
Handlebar | Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S6: 800 width, 50mm rise |
Stem | Alloy Trail Stem, 35mm bar bore |
Headset | Spec not provided |
Grips | Deity Lockjaw Grips |
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: 175mm, S4-S5: 200mm, S6: 225mm |
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

