2026 Specialized Stumpjumper 15 EVO Expert Di2 Features
The all-new Stumpjumper 15 EVO obliterates every trade-off in the trail game. It’s the ‘Bike of the Year’ winning Stumpy 15 you know, turned up to 11—with a longer-travel 160mm FOX fork, external reservoir FOX FLOAT X shock, and a slacker headtube for next-level capability. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. A heaping helping of personalization to make it perfect for the only rider who matters—you? Check, check, check.
At a Glance
- Use - Trail
- Frameset - FACT 11m carbon chassis w/ SWAT
- Suspension - Front: 160mm FOX FLOAT 36 Performance Elite, GRIP X2
Rear: 145mm FOX FLOAT X GENIE Performance Elite - Drivetrain - Shimano XT Di2
- Wheels - Traverse Alloy/DT Swiss 370
- Weight - 31lbs. 14.8oz.
Component Specifications
| 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 |
| Seat Binder | Alloy, 38.6mm |
| 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 |
| Shift Levers | Shimano XT Di2 |
| Rear Derailleur | Shimano XT Di2, 12-speed |
| Cassette | Shimano XT M8200, 12-speed, 10-51 |
| Chain | Shimano XT M8100, 12-speed w/ quick link |
| Crankset | Shimano XT, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm |
| Bottom Bracket | Shimano, BB-MT801, Threaded |
| 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" |
| Inner Tubes | Standard, Presta Valve |
| 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 |
| Stem | Alloy Trail Stem, 35mm bar bore |
| Handlebars | Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S6: 800 width, 50mm rise |
| 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 |
2026 Specialized Stumpjumper 15 EVO Expert Di2
| Bike/Frame Size | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|
| Stack | 611 mm | 621 mm | 630 mm | 644 mm | 658 mm | 671 mm |
| Reach | 400 mm | 420 mm | 445 mm | 470 mm | 495 mm | 525 mm |
| Chainstay Length | 430 mm | 432 mm | 435 mm | 435 mm | 445 mm | 445 mm |
| Wheelbase | 1153 mm | 1186 mm | 1217 mm | 1249 mm | 1290 mm | 1327 mm |
| Top-tube Length (horizontal) | 542 mm | 574 mm | 596 mm | 625 mm | 649 mm | 678 mm |
| Bike Standover Height | 738 mm | 751 mm | 745 mm | 745 mm | 745 mm | 751 mm |
| Seat Tube Length | 385 mm | 385 mm | 405 mm | 425 mm | 445 mm | 465 mm |
| Seat Tube Angle | 77.7° | 76.5° | 76.5° | 76° | 76° | 76° |
| Saddle Height for Effective ST Angle | 645 mm | 690 mm | 735 mm | 780 mm | 825 mm | 870 mm |
| Max Seatpost Insertion | 245 mm | 245 mm | 255 mm | 255 mm | 285 mm | 285 mm |
| Min Seatpost Insertion | 80 mm | 80 mm | 80 mm | 80 mm | 80 mm | 80 mm |
| Headtube Length | 95 mm | 100 mm | 110 mm | 125 mm | 140 mm | 155 mm |
| Headtube Angle | 64° | 64° | 64° | 64° | 64° | 64° |
| BB Height | 337 mm | 340 mm | 340 mm | 340 mm | 340 mm | 340 mm |
| BB Drop | 38 mm | 35 mm | 35 mm | 35 mm | 35 mm | 35 mm |
| Trail | 133 mm | 134 mm | 134 mm | 134 mm | 134 mm | 134 mm |
| Fork Length (full) | 561 mm | 573 mm | 573 mm | 573 mm | 573 mm | 573 mm |
| Fork Rake/Offset | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Front Center | 724 mm | 755 mm | 785 mm | 816 mm | 848 mm | 884 mm |
Size Guide: 2026 Specialized Stumpjumper 15 EVO Expert Di2
