Specialized Stumpjumper 15 EVO Expert Di2 2026
2026 Mountain
Estimate price |
8,142$
Weight | 14.48 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Travel Front 160mm -
Travel Rear 145mm -
Fork Fox Performance Elite Float 36
-
Groupset XT Di2 -
Suspension Full -
Drivetrain 1 × 12 Electronic -
Brakes Shimano XT Hydraulic Disc
Sizing
Recommended size guide.
S1
149cm - 160cm
S2
157cm - 172cm
S3
165cm - 180cm
S4
172cm - 188cm
S5
177cm - 193cm
S6
188cm - 203cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
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
Suspension 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
Drivetrain
Rear Derailleur
Shimano XT Di2, 12-speed
Shift Levers
Shimano XT Di2
Cassette
Shimano XT M8200, 12-speed, 10-51
Crank
Shimano XT, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm
Bottom Bracket
Shimano, BB-MT801, Threaded
Chain
Shimano XT M8100, 12-speed w/ quick link
Wheels
Rims
Front: Roval Traverse 29" Rim, hookless alloy, 30mm inner width, tubeless ready, DT Swiss 370, 15x110mm, 28h, Sapim Force Spokes, 6 bolt, Rear: Roval Traverse Rim, hookless alloy, 30mm inner width, tubeless ready, DT Swiss 370, 15x110mm, 28h, Sapim Force Spokes, 6 bolt
Tires
Front: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, TLR, 29X2.4, Rear: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4"
Brakes
Brakes
Front: Shimano Deore XT brake, 4 piston, Metal pad w/fin, 203mm rotor, Rear: Shimano Deore XT brake, 4 piston, Metal pad w/fin, S1-S2: 180mm, S3-S6: 203mm rotor
Cockpit
Stem
Alloy Trail Stem, 35mm bar bore
Handlebar
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
Seat
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-S6: 200mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.528 mm | 1.479 mm | 1.416 mm | 1.37 mm | 1.329 mm | 1.278 mm |
| Bottom Bracket Height | 337 mm | 340 mm | 340 mm | 340 mm | 340 mm | 340 mm |
| Front Center | 724 mm | 755 mm | 785 mm | 816 mm | 848 mm | 884 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 133 mm | 134 mm | 134 mm | 134 mm | 134 mm | 134 mm |
| 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 |
| Top Tube Length | 542 mm | 574 mm | 596 mm | 625 mm | 649 mm | 678 mm |
| Seat Tube Angle | 77.7 ° | 76.5 ° | 76.5 ° | 76 ° | 76 ° | 76 ° |
| Seat Tube Length | 385 mm | 385 mm | 405 mm | 425 mm | 445 mm | 465 mm |
| Head Tube Angle | 64 ° | 64 ° | 64 ° | 64 ° | 64 ° | 64 ° |
| Head Tube Length | 95 mm | 100 mm | 110 mm | 125 mm | 140 mm | 155 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 |
| Bottom Bracket Drop | 38 mm | 35 mm | 35 mm | 35 mm | 35 mm | 35 mm |
| Standover Height | 738 mm | 751 mm | 745 mm | 745 mm | 745 mm | 751 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 149 cm | 157 cm | 165 cm | 172 cm | 177 cm | 188 cm |
| Rider Max Height | 160 cm | 172 cm | 180 cm | 188 cm | 193 cm | 203 cm |