Specialized Stumjumper 15 Evo PRO S4 2026

Frameset
Seat Binder
Alloy, 38.6mm
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 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR 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
Brakes
Front Brake
SRAM Maven Silver, 4-piston caliper, hydraulic disc, 200mm Centerline Rotor
Rear Brake
SRAM Maven Silver, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 200mm Centerline Rotor
Drivetrain
Shift Levers
SRAM AXS POD Controller w/discrete clamp
Bottom Bracket
SRAM DUB Threaded Wide
Chain
SRAM X0
Crankset
SRAM X0 Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm
Rear Derailleur
SRAM X0 Eagle Transmission
Cassette
SRAM XS 1295, 12 speed, 10-52
Wheels & tires
Front Tire
Butcher, GRID TRAIL casing, Gripton T9 compound, 29X2.4
Rear Tire
Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4"
Front Wheel
Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 1/1 Hub, 15x110mm, 28h, Sapim D-Light Spokes
Rear Wheel
Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, Industry 9 1/1 Hub, 15x110mm, 28h, Sapim D-Light Spokes
Inner Tubes
Standard, Presta Valve
Cockpit
SeatPost
Bike Yoke, Revive Max 3.0, 34.9, S1: 125mm, S2: 160mm, S3-S4: 185mm, S5-S6: 213mm
Saddle
Bridge Expert with MIMIC, Hollow Ti rails, S1-S2: 155mm, S3-S6:143mm
Grips
Deity Lockjaw Grips
Handlebars...