Front travel
140 mm
This value is within the central range for this class.
Specialized Stumpjumper Alloy
1 of 6
Specialized Stumpjumper Alloy
1 of 6
- 140 / 130
- 29″
- 1 × 12
- 455%
- 15.93
- Aluminum
- Hydraulic disc
Rider height by size (cm)
Size guide- S2
- S3
- S4
- S5
- S6
- S1
Components
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
-
Frame
Alloy chassis and rear-end, asymmetrical design, 29 Trail Geometry, horst pivot BB adjustment, threaded BB, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel
Suspension
-
Fork
-
Rear shock
Drivetrain
-
Bottom bracket
-
Cassette
PG-1210
-
Chain
-
Crankset
-
Rear derailleur
-
Shifters
Brakes
-
Brakes
Wheels and tires
-
Front hub
-
Rear hub
Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
-
Rims
Double-wall alloy, 27mm internal width, 28h
-
Spokes
Stainless, 14g
-
Tires
Front: Butcher, GRID casing, GRIPTON® T7 compound, 29x2.3", Rear: Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3"
Cockpit and contact points
-
Grips
-
Handlebar
-
Saddle
Body Geometry Bridge Saddle, steel rails
-
Seatpost
-
Stem
Alloy Trail Stem, 35mm bar bore
Sizes and geometry
Size explorer
Understanding sizes and measurements
Size S4
Table
Reach
475mm
Stack
631mm
Wheelbase
1241mm
Head angle
65.0°
Seat angle
77.2°
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Bicycle weight
-
- 15.93 kg
- 35.1 lb
Suspension
- Suspension configuration
-
- Full suspension
- Front travel
-
- 140 mm
- Rear travel
-
- 130 mm
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 30
- Largest chainring
-
- 30
- Rear sprockets
-
- 12
- Smallest sprocket
-
- 11
- Largest sprocket
-
- 50
- Lowest gear
-
- 17.4 in
- Highest gear
-
- 79.1 in
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Hydraulic disc
Fit and controls
- Derailleur hanger
-
- UDH
- Seatpost
-
- Dropper seatpost
- Shifting
-
- Mechanical
Additional specifications
- Bottom bracket standard
-
- BSA
- Fork spring
-
- Air
- Tire width
-
- 2.3″
- Wheel material
-
- Aluminum
- Wheel size
-
- 29″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Lowest gear
17.4 gear inches
This value is below the central range for this class.
Highest gear
79.1 gear inches
This value is below the central range for this class.
Shifting
Mechanical
359 of 2,251 bicycles with this information use electronic shifting.
Gearing
This bicycle
- 6.7
- 30.3
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 2023 builds
Other models in this family
Published versions from the same family and model year.
Stumpjumper Alloy
Similar bicycles
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