Stumpjumper 15 EVO Expert Shimano XT Di2 2026

The Specialized Stumpjumper 15 EVO Expert Shimano XT Di2 2026 is a next-generation trail bike designed for those seeking high performance, advanced technology, and maximum versatility on the trails. Thanks to the FACT 11m carbon frame, FOX Performance Elite suspension, and Shimano XT Di2 electronic drivetrain, this bike offers a perfect balance of climbing efficiency, descending control, and handling precision.

The carbon frame integrates the new adjustable Trail geometry, with the ability to modify the steering angle to adapt the bike's behavior to different terrains and riding styles. The SWAT 4.0 system allows you to carry tools and accessories inside the down tube, keeping the bike clean and ready for adventure.

The FOX Performance Elite suspension, with a FLOAT 36 fork and FLOAT X shock featuring Specialized GENIE technology, ensures sensitivity over small bumps, support in the mid-stroke, and excellent control in the most technical sections. With 145 mm of rear travel and up to 160 mm at the front, the Stumpjumper 15 EVO is ready for demanding trails and fast descents.

The Shimano XT Di2 12-speed electronic drivetrain guarantees precise, fast, and reliable shifting even under load, while the Shimano Deore XT four-piston brakes offer power and modulation in every condition.

The Roval Traverse wheels with a 30 mm internal width, paired with Specialized Butcher and Eliminator tires, ensure traction, stability, and durability on the most challenging terrain. The PNW Loam telescopic dropper post completes a setup designed for aggressive riding and maximum fun on the trails.

The Stumpjumper 15 EVO Expert XT Di2 is the ideal choice for those who want a modern, technological trail bike ready for any route.

Technical Specifications:

Frame
FACT 11m carbon, carbon rear triangle
Adjustable Trail Geometry
SWAT Door Integration
Threaded bottom bracket
Internal cable routing
12x148 mm dropouts
SRAM UDH compatible
Rear travel: 145 mm

Fork
FOX FLOAT 36 Performance Elite
GRIP X2 cartridge
HS and LS compression and rebound adjustments
15x110 mm axle
44 mm offset
Travel:
S1: 150 mm
S2–S6: 160 mm

Rear Shock
FOX FLOAT X Performance Elite
Specialized GENIE Technology
Ride Dynamics Trail Tune
Two-position lever
LSC and LSR adjustments
Size 210x55 mm

Drivetrain
Shifters: Shimano XT Di2
Rear derailleur: Shimano XT Di2, 12-speed
Cassette: Shimano XT M8200, 10-51
Chain: Shimano XT M8100, 12-speed
Crankset: Shimano XT, 55 mm chainline, 32-tooth chainring
Crank lengths:
S1–S3: 165 mm
S4–S6: 170 mm
Bottom bracket: Shimano BB-MT801, threaded

Brakes
Shimano Deore XT, 4-piston
Rotors:
Front: 203 mm
Rear:
S1–S2: 180 mm
S3–S6: 203 mm

Wheels
Rims: Roval Traverse, hookless aluminum, 30 mm internal width, tubeless ready
Hubs: DT Swiss 370, 6-bolt
Spokes: Sapim Force, 28-hole

Tires
Front: Specialized Butcher GRID TRAIL, GRIPTON T9, 29x2.4
Rear: Specialized Eliminator GRID TRAIL, GRIPTON T7
S1–S2: 27.5x2.4
S3–S6: 29x2.4

Cockpit
Handlebar: Specialized 6000 series aluminum
Upsweep 6°, backsweep 8°
Width:
S1–S2: 780 mm, rise 20 mm
S3–S6: 800 mm, rise 50 mm
Stem: Alloy Trail, 35 mm diameter
Grips: Deity Lockjaw

Saddle and Dropper Seatpost
Saddle: Bridge Comp with rails

Cr-MoPNW Loam Dropper, Range remote
34.9 mm diameter
Travel:
S1: 125 mm
S2: 150 mm
S3: 175 mm
S4–S5: 200 mm
S6: 225 mm

Details
SWAT 4.0 system in the down tube
Seat collar: aluminum 38.6 mm
Weight: approximately 14.48 kg (size S4)

Tip: to receive the bike ready to use, you can add the “Bike assembled and adjusted by Cicli Drigani technicians” option to your cart for 59€. With this service, the bike will arrive assembled, adjusted, and ready to ride. Without this option, the bike will be delivered in the manufacturer's original packaging and will require some technical operations before it can be used safely.