B’TWIN 20 Inch Kids Mountain bike Rockrider ST 500 6-9 Years old
B’TWIN 20 Inch Kids Mountain bike Rockrider ST 500 6-9 Years old
- Not published
- £189
- 20″
- Steel
- Rim brake
Sizes
Size guide- 20"
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
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Frame
Sturdy steel frame designed for mountain biking
Suspension
-
Fork
Travel of the front suspension fork to cushion unpredictable terrain
Drivetrain
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Crankset
The new chainset has a 140 mm crank that is designed for a child's leg length. This chainset allows you to start pedalling more easily. The crank is covered to prevent the child from coming into contact with the metal part. The double chain guard prevents the chain from derailing.
Brakes
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Brakes
Two V-Brakes for effective braking
Wheels and tires
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Rims
20" wheels with MTB SkinWall tyres
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Tires
The tyres are designed for mountain biking. The lateral lugs provide good grip on turns. The tyres are made with SkinWall technology. This process makes it possible to reduce their weight, provide greater flexibility, therefore increasing their performance, grip and comfort. The recommended tyre pressure is indicated on the side of the tyre (2 to 3.5 bars). 20" inner tube, 1.7" to 2.2" Schrader valve.
Cockpit and contact points
-
Saddle
Ergonomic saddle with plastic section on the rear (a bumper) to protect against any impacts
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Steel
Suspension
- Suspension configuration
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- Hardtail
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
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- Rim brake
Fit and controls
- Shifting
-
- Mechanical
Additional specifications
- Tire width
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- 2.2″
- Travel
-
- Front: Additional specification: Not available: No
- Wheel material
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- Aluminum
- Wheel size
-
- 20″
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 2022 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
