Specialized Stumpjumper 15 Comp Alloy
$2,399.00
The Specialized Stumpjumper 15 Comp Alloy is a trail mountain bike with an M5 alloy chassis, 145mm rear travel, Specialized GENIE Shock Tech, FOX suspension, Shimano SLX 12-speed drivetrain, TRP Trail EVO 4-piston hydraulic disc brakes, and SWAT internal downtube storage.
Description
Specialized Stumpjumper 15 Comp Alloy Overview
The Specialized Stumpjumper 15 Comp Alloy is a trail mountain bike with an M5 Alloy chassis, 145mm rear travel, Specialized GENIE Shock Tech, FOX suspension, Shimano SLX 12-speed drivetrain, and TRP Trail EVO hydraulic disc brakes. It combines Trail Geometry with SWAT Door integration, head tube angle adjustment, a threaded bottom bracket, internal cable routing, sealed cartridge bearing pivots, and SRAM UDH compatibility.
The FOX FLOAT Performance rear shock uses Specialized GENIE Shock Tech with Ride Dynamics Trail Tune, a 2-position lever, and LSR adjustment. The FOX FLOAT 36 Rhythm fork uses a GRIP damper, two-position Sweep adjustment, and size-specific travel with 140mm on S1 and 150mm on S2-S6. The build also includes Specialized hookless alloy tubeless-ready rims, sealed cartridge bearing hubs, GRID TRAIL tires, Shimano SLX components, and an X-Fusion Manic dropper post.
Key Features of Specialized Stumpjumper 15 Comp Alloy
- M5 Alloy chassis and rear-end give the bike a trail frame with 145mm of rear travel.
- Specialized GENIE Shock Tech is built into the FOX FLOAT Performance rear shock for tunable suspension support.
- FOX FLOAT 36 Rhythm fork uses a GRIP damper with two-position Sweep adjustment.
- Shimano SLX M7100 drivetrain gives the bike a 12-speed setup with a 10-51t cassette.
- TRP Trail EVO 4-piston hydraulic disc brakes use a 203mm front rotor and size-specific rear rotor setup.
- Specialized hookless alloy rims use a 30mm inner width and tubeless-ready construction.
- Butcher and Eliminator GRID TRAIL tires pair GRIPTON T9 front compound with GRIPTON T7 rear compound.
- SWAT internal downtube storage adds integrated frame storage.
- Head tube angle adjustment allows the trail geometry setup to be fine-tuned.
- X-Fusion Manic dropper post gives the build size-specific dropper travel.
Ride Use
This is a trail mountain bike for trail riding. The M5 Alloy frame, 145mm rear travel, FOX suspension, Specialized GENIE Shock Tech, TRP Trail EVO 4-piston brakes, GRID TRAIL tires, and adjustable geometry support controlled riding on trail routes. The wheel setup uses a 29-inch front wheel, with 27.5-inch rear wheel on S1-S2 and 29-inch rear wheel on S3-S6.
Why Choose This Bike
The Stumpjumper 15 Comp Alloy combines an M5 Alloy frame, Specialized GENIE Shock Tech, FOX suspension, Shimano SLX 12-speed drivetrain, TRP Trail EVO brakes, and SWAT internal downtube storage in one trail-focused build. It also has Specialized hookless alloy tubeless-ready rims, sealed cartridge bearing hubs, size-specific cockpit details, and a weight of 16.17 kg / 35 lb 10.4 oz in size S4. It comes in Gloss Smoke and Satin Powder Indigo, with frame and fork coverage under a lifetime warranty for the original owner and other Specialized-branded parts covered for 2 years.
Specifications
Product Specifications
| Feature | Details |
|---|---|
| Product ID | 221397 |
| 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 |
| Rear Shock | FOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever with LSR adjustment, S1: 210x52.5mm, S2-S6: 210x55mm |
| Fork | FOX FLOAT 36 Rhythm, GRIP damper, two-position Sweep adjustment, 15x110mm QR axle, 44mm offset, S1: 140mm travel, S2-S6: 150mm travel |
| Front Brake | TRP Trail EVO, 4-piston caliper, hydraulic disc, 203mm |
| Rear Brake | TRP Trail EVO, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm |
| Shift Levers | Shimano SLX M7100, 12-speed |
| Rear Derailleur | Shimano SLX M7100, SGS, 12-speed |
| Cassette | Shimano SLX CS-M7100, 12-speed, 10-51t |
| Chain | Shimano SLX M7100, 12-speed |
| Crankset | Shimano SLX M7120, 32T ring, 55mm chainline, S1-S3: 165mm, S4-S6: 170mm |
| Bottom Bracket | Shimano BB-MT801, Threaded |
| Rims | Specialized hookless alloy, 30mm inner width, tubeless ready, front: 29", rear S1-S2: 27.5", S3-S6: 29" |
| Front Hub | Specialized alloy front hub disc, sealed cartridge bearings, 6-bolt, 15x110mm thru-axle, 32h |
| Rear Hub | Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h |
| Spokes | DT Swiss Industry |
| Front Tire | Butcher, GRID TRAIL casing, GRIPTON T9 compound, 2Bliss Ready, 29x2.3" |
| Rear Tire | Eliminator, GRID TRAIL casing, GRIPTON T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3-S6: 29x2.3" |
| Inner Tubes | Standard, Presta valve |
| Stem | Alloy Trail Stem, 35mm bar bore |
| Handlebars | Specialized 6000 series alloy, 6-degree upsweep, 8-degree backsweep, S1-S2: 780mm width and 20mm rise, S3-S4: 800mm width and 30mm rise, S5-S6: 800mm width and 40mm rise |
| Grips | Specialized Trail Grips |
| Saddle | Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm |
| SeatPost | X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 190mm |
| SWAT | SWAT internal downtube storage |
| Weight | 16.17 kg / 35 lb 10.4 oz, size S4 |
| Colors | Gloss Smoke, Satin Powder Indigo |
| Manufacturer Warranty | Frame and fork are covered by a lifetime warranty for the original owner. Other Specialized-branded parts are covered for 2 years. |
FAQ
FAQ's Specialized Stumpjumper 15 Comp Alloy
What type of bike is the Specialized Stumpjumper 15 Comp Alloy?
The Specialized Stumpjumper 15 Comp Alloy is a trail mountain bike. It uses an M5 Alloy chassis, 145mm rear travel, Trail Geometry, Specialized GENIE Shock Tech, and FOX suspension.
What drivetrain does the Specialized Stumpjumper 15 Comp Alloy use?
This bike uses a Shimano SLX M7100 12-speed drivetrain. It also has a Shimano SLX CS-M7100 10-51t cassette, Shimano SLX M7100 chain, and Shimano SLX M7120 crankset.
What suspension comes on the Specialized Stumpjumper 15 Comp Alloy?
The rear shock is a FOX FLOAT Performance with Specialized GENIE Shock Tech and Ride Dynamics Trail Tune. The fork is a FOX FLOAT 36 Rhythm with GRIP damper, with 140mm travel on S1 and 150mm travel on S2-S6.
What warranty is included with the Specialized Stumpjumper 15 Comp Alloy?
Frame and fork are covered by a lifetime warranty for the original owner. Other Specialized-branded parts are covered for 2 years. The bike also includes lifetime replacement of suspension pivot bearings to the original owner.
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