Front travel
80 mm
This value is below the central range for this class.
Rockrider 27.5-inch, single-chainring 9-speed
1 of 23
Rockrider 27.5-inch, single-chainring 9-speed
1 of 23
- Not published
- £329
- 80
- 27.5″
- 15.1
- Steel
- Mechanical disc
Rider height by size (cm)
Size guide- SM
- MD
- LG
- XL
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
Robust steel frame
Suspension
-
Fork
The 80 mm front suspension helps you overcome your first obstacles on slightly uneven trails with no worries. Easily adjust the hardness using U-Fit technology (weight adjuster). Simply set the number to your weight (55 kg to 105 kg) using the dial on the fork.
Drivetrain
-
Crankset
RD-M46SL-759
Brakes
-
Brake levers
Specifically designed for children
-
Brakes
Wheels and tires
-
Rims
20 inch wheels
-
Tires
The 27.5" wheels of the ST 120 are tolerant and sturdy, with 19 mm double-walled rims with 28 spokes. Slow down without worrying about obstacles: small rocks, cracks, holes and bumps! Because your first tours will be on dry ground, the Dry 27.5 x 2.0 tyres are most suitable. Their performance is optimised thanks to the rounded central section, whilst the side lugs provide good grip on turns.
Cockpit and contact points
-
Handlebar
Low-rise handlebars for a comfortable ride
-
Saddle
The saddle of the ST 120 is welded to prevent any movement of the saddle. And because your comfort is our priority after your safety, we've added an exclusive wider Ergofit saddle with a hammock shape. Easily adjust the height of your saddle with the Flex steel seat post, either 350mm or 400mm long (according to the bike size). Its reduced diameter of 27.2mm provides your seat with natural flexibility, 30% more than a standard solution.
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Steel
- Bicycle weight
-
- 15.1 kg
- 33.3 lb
Suspension
- Suspension configuration
-
- Hardtail
- Front travel
-
- 80 mm
Drivetrain
- Front chainrings
-
- 2
- Smallest chainring
-
- 11
- Largest chainring
-
- 36
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Mechanical disc
Fit and controls
- Shifting
-
- Mechanical
Additional specifications
- Tire width
-
- 2″
- Wheel material
-
- Aluminum
- Wheel size
-
- 27.5″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Shifting
Mechanical
223 of 2,002 bicycles with this information use electronic shifting.
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.
27.5-inch, single-chainring 9-speed
Similar bicycles
Same category, closest configuration.
