Easily conquer a range of terrains
With an aluminium frame and chainset for lightweight manouvers, and quick release to remove wheels for packing the car.
Kids' 24" 9-12 Years Mountain Bike ST 900 - Red
Take on any challenge with this fully equipped kids mountain bike. Designed for ages 9 to 12, they'll perfect their skills thanks to a light aluminium frame, suspension fork and powerful disc brakes.
ID 8405170
- 365 days to return for members
ease of useALU frame and chainset for less weight. Quick release for removing the wheels.
brake controlFront/rear mechanical disc brakes: powerful braking in all conditions
efficiencySuspension fork. Skinwall tyres for less weight, with side knobs.
cycling comfortSports saddle combined with an aluminium seat post for greater comfort- A frame that is suitable for mountain bikingOur engineers have designed a new aluminium frame. Durable, lightweight and responsive: designed for tackling any obstacles when out mountain biking.
- Controlled brakingBrake effectively thanks to the mechanical disc brakes at the front and rear. The disc brake acts on the wheel axle to deliver powerful braking under any conditions (dry, wet, muddy, etc.).
- SINGLE CHAINRING DRIVETRAINThis bike is equipped with speed controls that are controlled using the thumb and index finger, allowing effortless changes between the 8 speeds. The single 36-tooth chainring and 11-34 cassette make it easy to shift gears and deal with any kind of hill. With just one control to manage, you can focus on your trajectory.
- Front suspension to cushion unpredictable terrainTake on new challenging terrain (roots, stones, gravel, etc.) with ease thanks to the travel of the front suspension fork. Suntour fork with 50 mm of travel.
- Comfort when ridingA saddle with a sporty design, designed with care to adapt to the morphology of children. Combined with an aluminium seat post (sturdy and flexible) for even greater comfort.
- Riding positionTo hone your steering, we have equipped this mountain bike with a short aluminium stem (70mm) and a 540 mm oversize handlebar. This makes you more precise and responsive on turns.
- Aluminium chainsetThe new aluminium chainset has a 152 mm crank that is suited to the child's leg length. This light chainset allows you to start pedalling more easily. The double chain guard prevents the chain from derailing.
- Double-walled rims and SkinWall tyresThe double-walled aluminium rims are light and durable. For transporting the bike, we've made it easy to attach/detach the front and rear wheels. They are equipped with a quick-release system. The tyres use SkinWall technology. This process allows you to reduce their weight, therefore increasing performance, grip and comfort. 24-inch 1.7 to 2.2 cross-section inner tube with Schrader valve.Pressure indicated on the tyre sidewall (between 2 and 3.5 bar).
- Bike accessoriesThis MTB is equipped with a bell, lighting, wheel reflectors and platform pedals. The frame is also compatible with other B'Twin accessories: - front and rear mudguards - stand - bottle cage - bag
- Dimensions of the bike ready to useLength: 160cm.Height: 100cm. Width: 60cm.
- Frame dimensionsTop tube length: 479.3 mm Seat tube length: 345 mm Chainstay length: 415 mm Seat post length: 370 mm Head angle: 68.2°
- PHOTOS NON BINDINGFor the drive train parts (cassette and derailleur), the photos and videos provided on the product description show a Shimano Altus derailleur and a Microshift cassette. However, because of procurement issues, an equivalent, derailleur and cassette may be present on the bike.
- Washing instructionsIn order not to damage your bike, we do not recommend the use of a high pressure cleaner. Rinsing with clear water and a sponge is preferable.
- Look after your child's bike!Look after your child's bike so that it's always ready for a new adventure! To ensure full maintenance, we recommend that you follow these 3 steps: 01 Degrease your drive train 02 Clean your bike 03 Lubricate your chain 3 steps that 3 require 3 products that can be found in our bike cleaning kit (8751194), that will become your best friend!
Features
Design benefits
Design details
Specifications
Wheel Size
Small wheelsBig wheels
Defines the size of the wheel.
Bike Frame Material
Highlights the types of frames found on a bike.
Weight (In Kilograms)
LightHeavy
weight of the bike in kg.
Details
| frequency | intensive |
| power assisted | without electric assistance |
| stand | without stand |
| number of speeds | 8 speeds |
| bike frame material | aluminium frame |
| suspension type | spring suspension |
| mudguard | without mudguard |
| number of chainrings | single chainring |
| wheel size | 24" |
| stem type | headset |
| lighting types | battery lighting |
| type of brakes | front mechanical disk brakes |
| connected | not connected |
| age | 9 to 12 years |
| sportsperson's height | 1.35 m < height < 1.50 m |
| condition | new |
| type of bicycle fork | suspended fork |
| weight (in kg) | 12.25 kg |
| crank length (in mm) | 152 mm |
| handlebar diameter | 31.8 mm |
| handlebar width | 540 mm |
| rim material | aluminium |
| rim type | double thickness |
| saddle | rail |
| stem length (in mm) | 60 mm |
| maximum load | 80 kg |
| number of bottle-cage holders | 1 |
| seatpost compatibility | telescopic seatpost not compatible |
| trunk bag fixation | no trunk bag fixation |
| tubeless compatibility (tyre) | non tubeless compatible |
| tubeless compatibility (wheel) | non tubeless compatible |
| type of seatpost | rigid |
| cassette | 11/34 |
| crankset | 36 |
| front disc size (in mm) | 160 mm |
| rear disc size (in mm) | 160 mm |
| charger type | not concerned |
| battery capacity (in Wh) | not concerned |
| motor position | not concerned |
| engine torque maximum | not concerned |
| removable battery | not concerned |
| type of front suspension | spring |
| bell | with bell |
| front suspension travel | 50 mm |
| rear suspension travel | not concerned |
| built-in battery | not concerned |
| suspension | semi stiff |
| autonomy (in km) | not concerned |
Composition
Frame: 100.0% Aluminium |
