Shifting
Mechanical
9 of 321 bicycles with this information use electronic shifting.
CTM Rocky 4.0
1 of 10
CTM Rocky 4.0
1 of 10
- Not published
- €569
- Rigid
- 24″
- 1 × 9
- Aluminum
- Mechanical disc
Sizes
Size guide- 13"
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
ROCKY, AL 6061, 13"
Suspension
-
Fork
Alloy unicrown 24"
Drivetrain
-
Chain
-
Crankset
Wheeltop, 32T, 140mm
-
Rear derailleur
RD-U4000
-
Shifters
SL-U4000
Brakes
-
Brakes
Wheels and tires
-
Front hub
CTM alloy 32H
-
Rear hub
CTM alloy 32H
-
Rims
CTM GA18, 507X21, 32H
Cockpit and contact points
-
Handlebar
CTM N07, 600/35mm rise/25.4mm
-
Headset
CTM ZSø28.6/44/(30)
-
Pedals
VPE-229
-
Saddle
CTM junior
-
Seatpost
CTM MPO 300/31.6 mm
Sizes and geometry
Size explorer
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Fork material
-
- Aluminum
Suspension
- Suspension configuration
-
- Rigid
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 32
- Largest chainring
-
- 32
- Rear sprockets
-
- 9
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Mechanical disc
Fit and controls
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Travel
-
- Front: Additional specification: Not available: Yes
- Wheel material
-
- Aluminum
- Wheel size
-
- 24″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
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.
