Product Info
Details + Specs
Stumpjumper 15 EVO Comp Alloy
One trail bike, fewer compromises
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 head tube for next-level capability.
Best for: Trail and all-mountain riding across technical climbs and descents.
At a glance
Frame
M5 alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration…
Fork
FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment…
Shock
FOX FLOAT X Performance with Specialized GENIE Shock Tech, Ride Dynamics…
Drivetrain
SRAM Eagle 70 Transmission, 12-speed, easy shift under load
Brakes
SRAM DB8 Stealth, 4-piston caliper, hydraulic disc, 200mm rotor
Weight
16.69 kg (36 lb, 12.7 oz)
Key highlights
Longer-travel 160mm FOX FLOAT 36 Rhythm fork and external-reservoir 145mm FOX FLOAT X GENIE Performance shock for next-level capability
M5 Aluminium chassis with SWAT integrated downtube storage
Slacker head tube for confident, big-bike descending
SRAM Eagle 70 Transmission drivetrain
Complete specification
Full build details
Components are grouped by bike system so the complete build is easy to scan.
Frameset
Frame
M5 alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
Seat Binder
Alloy, 38.6mm
SWAT
SWAT 4.0 internal downtube storage
Suspension
Rear Shock
FOX FLOAT X Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/3 setting Open mode tuning range, LSR adjustment, 210x55mm
Fork
FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset S1:150mm of travel, S2-S6:160mm of travel
Brakes
Front Brake
SRAM DB8 Stealth, 4-piston caliper, hydraulic disc, 200mm rotor
Rear Brake
SRAM DB8 Stealth, 4-piston caliper, hydraulic disc, 200mm rotor
Drivetrain
Shift Levers
SRAM Eagle 70
Rear Derailleur
SRAM Eagle 70 Transmission, 12-speed, easy shift under load
Cassette
SRAM 12-speed,10-52t
Chain
SRAM 70 Transmission 12-Speed Flattop Chain
Crankset
SRAM Eagle 70, 165/170mm, 55mm chainline, 32T
Bottom Bracket
SRAM DUB Threaded Wide
Wheels and tyres
Rims
Specialized, hookless alloy, 30mm inner width, tubeless ready
Front Hub
Sealed cartridge bearings, 6-bolt, 15x110mm thru-axle, 32h
Rear Hub
Specialized alloy rear hub disc, sealed cartridge bearings, 6-Bolt, 12X148mm thru-axle, 32h, HG Steel Fhb
Spokes
DT Swiss Elemental
Front tyre
Butcher, GRID TRAIL casing, Gripton T9 compound, TLR, 29X2.4
Rear tyre
Eliminator, GRID TRAIL casing, Gripton T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4"
Inner Tubes
Standard, Presta Valve
Cockpit and contact points
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
Specialized Trail Grips
Saddle
Bridge Comp, Hollow Cr-mo rails 155/143
Seatpost
Xfusion Manic, infinite adjustable, two bolt head, Remote SLR LE lever, 34.9, S2: 125mm, S3: 170mm, S4-S6: 190mm
Weight and sizing
Weight
16.69 kg (36 lb, 12.7 oz)
Reference size
S4
Weight is based on a production painted bike in the stated reference size. Actual weight can vary with colour, size and component variation. Specifications are subject to change without notice.