Shifting
Mechanical
10 of 367 bicycles with this information use electronic shifting.
CTM Rocky 4.0
CTM Rocky 4.0
- Not published
- €569
- 50
- 24″
- 1 × 8
- Aluminum
- Mechanical disc
Rider height by size (cm)
Size guide- 24"
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
Drivetrain
-
Chain
-
Crankset
-
Rear derailleur
RD-M3020
-
Shifters
SL-M315
Brakes
-
Brakes
Wheels and tires
-
Front hub
CTM alloy center-lock 32H QR black
-
Rear hub
CTM alloy center-lock 32H QR black
-
Rims
CTM HIT21, 507x21 BA, 32H
Cockpit and contact points
-
Handlebar
CTM N07, 600/35mm rise/25.4mm
-
Headset
H-148M
-
Pedals
VPE-229
-
Saddle
CTM junior
-
Seatpost
SP-102
CTM SP-102, 300/31.6 mm
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
Suspension
- Suspension configuration
-
- Hardtail
- Front travel
-
- 50 mm
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 34
- Largest chainring
-
- 34
- Rear sprockets
-
- 8
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Mechanical disc
Fit and controls
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Fork spring
-
- Coil
- 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 2025 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
