Front travel
100 mm
This value is within the central range for this class.
Specialized Rockhopper Expert
1 of 10
Specialized Rockhopper Expert
1 of 10
- 100
- 27.5″, 29″
- 1 × 12
- 455%
- 13.14
- Aluminum
- Hydraulic disc
Rider height by size (cm)
Size guide- XS
- SM
- SM
- MD
- MD
- LG
- XL
- XXL
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
Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible
Suspension
-
Fork
Drivetrain
-
Bottom bracket
-
Cassette
PG-1210
-
Chain
-
Crankset
-
Rear derailleur
-
Shifters
Brakes
-
Brakes
Wheels and tires
-
Front hub
Alloy, Sealed bearing, 6-Bolt, disc, 100x9mm spacing, quick-release
-
Rear hub
Alloy Sealed bearing, 6-Bolt, disc, 135x9mm spacing, quick-release
-
Rims
-
Spokes
Stainless, 14g
-
Tires
Front: Ground Control, 27.5/29x2.35, T5, Rear: Ground Control, 27.5/29x2.35, T5
Cockpit and contact points
-
Grips
-
Handlebar
-
Pedals
-
Saddle
Body Geometry Power Sport, steel rails
-
Seatpost
Alloy, 2-bolt clamp, 30.9mm
-
Stem
Stout 3D-forged alloy, 31.8mm, 6-degree rise
Sizes and geometry
Size explorer
Understanding sizes and measurements
Size MD
Table
Reach
415mm
Stack
589mm
Wheelbase
1118mm
Head angle
68.0°
Seat angle
73.5°
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Fork material
-
- Aluminum
- Bicycle weight
-
- 13.14 kg
- 29.0 lb
Suspension
- Suspension configuration
-
- Hardtail
- Front travel
-
- 100 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
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Fork spring
-
- Air
- Tire width
-
- 2.35″
- Wheel material
-
- Aluminum
- Wheel size
-
- 27.5″, 29″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Shifting
Mechanical
156 of 1,318 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 2026 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
