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Specialized Stumpjumper 15 EVO Alloy - RockShox/X-Fusion SRAM NX Eagle

Travel
160 / 145 mm Fork / rear shock
Wheels
29″ / 27.5″
Drivetrain
1 × 12 32t / 11–50t
Gear range
455%
Weight
16.79 kg 37.0 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • S1 149.9–160
  • S2 157.5–172.7
  • S3 165.1–180.3
  • S4 172.7–188
  • S5 177.8–193
  • S6 188–203.2

Components

15 of 20 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part
  • 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 Not identified

Suspension

2 parts
  • Fork
  • Rear shock

Sizes and geometry

Size explorer

Enter your height to highlight matching ranges.

Size S3

Table

Geometry diagram unavailable

Diagrams for different front and rear wheel sizes are not available yet. Available facts remain in the table.

Size Reported by the manufacturer

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum
Bicycle weight
  • 16.79 kg
  • 37.0 lb

Suspension

Suspension configuration
  • Full suspension
Front travel
  • 160 mm
Rear travel
  • 145 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 32
Largest chainring
  • 32
Rear sprockets
  • 12
Smallest sprocket
  • 11
Largest sprocket
  • 50
Lowest gear
  • 17.6 in
Highest gear
  • 80.0 in

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

160 mm

This value is above the central range for this class.

Cohort
Mountain / Trail Model year: 2026
Sample
1,640 bicycles with this information
Coverage
96.3% of the class

Lowest gear

17.6 gear inches

This value is below the central range for this class.

Cohort
Mountain / Trail Model year: 2026
Sample
1,227 bicycles with this information
Coverage
72.0% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
6.7 km/h
Highest gear
30.6 km/h

Total gear range 455%

Pedaling rhythm
80rpm
40
60
80
100
120

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2026 builds

Differences across 2026 builds
Specification This bicycle Specialized Stumpjumper 15 EVO Alloy - RockShox/X-Fusion SRAM NX Eagle Specialized Stumpjumper 15 EVO Alloy Specialized Stumpjumper 15 EVO Alloy Comp - SRAM Eagle 70, FOX Rhythm Specialized Stumpjumper 15 EVO Comp Specialized Stumpjumper 15 EVO Comp Alloy Specialized Stumpjumper 15 EVO Comp Alloy - M5 Alloy, FOX Rhythm & Performance w/ Genie, Eagle 70
Frame
Frame material Aluminum Aluminum Aluminum Carbon Aluminum Aluminum
Bicycle weight 16.79 kg 16.79 kg 16.55 kg 15.14 kg 16.55 kg 16.55 kg
Suspension
Rear travel 145 mm 145 mm 145 mm 145 mm 145 mm Not informed
Drivetrain
Smallest sprocket 11 11 10 10 10 10
Largest sprocket 50 50 52 52 52 52
Lowest gear 17.6 in 17.6 in 16.9 in 16.9 in 16.9 in 16.9 in
Highest gear 80.0 in 80.0 in 88.0 in 88.0 in 88.0 in 88.0 in
Cockpit
Derailleur hanger UDH UDH UDH UDH UDH Not informed
Shifting Mechanical Mechanical Mechanical Electronic Mechanical Mechanical
Other specifications
Fork spring Not informed Not informed Air Air Air Air

No exact Stumpjumper 15 EVO Alloy - SRAM NX Eagle, RockShox/X-Fusion publication is available for 2025.

Other models in this family

15 models

Published versions from the same family and model year.

Specialized Stumpjumper 15 EVO Alloy - RockShox/X-Fusion SRAM NX Eagle, by Specialized

This bicycle

Trail

Stumpjumper 15 EVO Alloy - RockShox/X-Fusion SRAM NX Eagle

  • Weight: 16.8 kg
  • Suspension: 160/145 mm
  • Wheel size: 27.5″/29″

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