Specialized S-Works Stumpjumper 15 EVO Di2
Specialized S-Works Stumpjumper 15 EVO Di2










The Full Scoop on the Specialized S-Works Stumpjumper 15 EVO 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 Factory, 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 Factory with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSC adjustment, LSR adjustment, 210x55mm |
Front Brake | Shimano XTR, 4-piston caliper, hydraulic disc, 203mm rotor |
Rear Brake | Shimano XTR, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 20 |
Rear Derailleur | Shimano XTR Di2, 12-speed |
Shift Levers | Shimano XTR Di2 |
Chain | Shimano XTR, 12-speed w/ quick link |
Cassette | Shimano XTR, 12 Speed, 10-51T |
Crankset | Shimano XTR, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm |
Chain Ring | Spec not provided |
Chain Guard | Spec not provided |
Front wheel | Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra 2 Hub, 15x110mm, 28h, DT Swiss Revolite Spokes, 6 bolt |
Rear wheel | Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra 2 Hub, 12x148mm, 28h, DT Swiss Revolite 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 | RaceFace ERA Carbon, 5-degree upsweep, 8-degree backsweep. S1-S2: 800 width, 20mm rise: S3-S6: 800 width, 55mm rise |
Stem | Race Face Turbine R, 35mm clamp, 40mm length |
Headset | Spec not provided |
Grips | Deity Lockjaw Grips |
Saddle | Specialized S-Works Power Mirror, Ti Rails, S1-S2: 155mm, S3-S6:143mm |
Seatpost | FOX Transfer NEO Factory, 34.9, S1:125mm, S2: 150mm, S3: 175mm, 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 S-Works Stumpjumper 15 EVO 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 Factory, 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 Factory with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSC adjustment, LSR adjustment, 210x55mm |
Front Brake | Shimano XTR, 4-piston caliper, hydraulic disc, 203mm rotor |
Rear Brake | Shimano XTR, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 20 |
Rear Derailleur | Shimano XTR Di2, 12-speed |
Shift Levers | Shimano XTR Di2 |
Chain | Shimano XTR, 12-speed w/ quick link |
Cassette | Shimano XTR, 12 Speed, 10-51T |
Crankset | Shimano XTR, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm |
Chain Ring | Spec not provided |
Chain Guard | Spec not provided |
Front wheel | Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra 2 Hub, 15x110mm, 28h, DT Swiss Revolite Spokes, 6 bolt |
Rear wheel | Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra 2 Hub, 12x148mm, 28h, DT Swiss Revolite 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 | RaceFace ERA Carbon, 5-degree upsweep, 8-degree backsweep. S1-S2: 800 width, 20mm rise: S3-S6: 800 width, 55mm rise |
Stem | Race Face Turbine R, 35mm clamp, 40mm length |
Headset | Spec not provided |
Grips | Deity Lockjaw Grips |
Saddle | Specialized S-Works Power Mirror, Ti Rails, S1-S2: 155mm, S3-S6:143mm |
Seatpost | FOX Transfer NEO Factory, 34.9, S1:125mm, S2: 150mm, S3: 175mm, 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

