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We have designed this mountain bike for 9- to 12-year-olds (135 to 150 cm) wanting to regularly go mountain biking.

To ensure riders can easily overcome rough terrain, we've equipped this 24-inch MTB with a suspension fork. Easily tackle hilly paths with the 7 speeds.

Color: lime yellow

Unique size
Home delivery

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Our services :

  • Free delivery for Decathlon brands orders above $399
  • All Decathlon products are eligible for lifetime return

Products benefits

Ease of use

ALU frame ,Easy trigger with 7 speed ,easy for kids to use trigger

Brake control

Two V-Brake pads for effective braking.


Suspension fork. Skinwall tyres for less weight, with side knobs.

Technical information

A frame that is suitable for mountain biking

Made out of aluminium for a lightweight frame.
The Aheadset stem makes maintenance easy and makes the frame more sturdy for riding on any kind of terrain.

Front suspension to cushion unpredictable terrain

Take on new challenging terrain (roots, stones, gravel, etc.) with ease thanks to the travel of the front suspension fork.

Changing between the 7 speeds

Easy trigger with 7 speed.The Cpt is special design for kids to change the speed more easily.

Controlled braking

Two V-Brake pads for effective braking.
These brakes are composed of callipers that exert more or less pressure on the rim to slow or stop the rotation of the wheels.

A reinforced, ergonomic saddle

A saddle with a sporty design, designed with care to adapt to the morphology of children. It is equipped with a plastic cover at the back (a bumper) to protect against any impacts.

Riding position

To provide you with maximum comfort, this mountain bike is equipped with a high-rise stem. Your position on the bike is slightly raised so you can better anticipate your trajectory.


The new chainset has a 152 mm crank that is adapted to the length of your child's leg. This chainset allows you to start pedalling more easily. The crank is covered with a guard to stop you coming into contact with the metal part.
The double guard over the chain stops it jumping.

24" wheels and SkinWall MTB tyres

The tyres 24*1.95 use SkinWall technology.
This process reduces their weight and makes them more flexible, which increases performance, grip and comfort.
The recommended tyre pressure is displayed on the tyre sidewall (between 2 and 4 bar).

24-inch 1.7 to 2.2 cross-section inner tube with Schrader valve.

Bike accessories

This MTB is equipped with a kickstand, bell, wheel reflectors, pedals reflectors and frame front and rear reflectors.

The frame is also compatible with other B'Twin accessories:
- front and rear mudguards
- bottle cage
- handlebar bag
- stabilisers

Dimensions of the bike ready to use

Length: 160cm.
Height: 100cm.
Width: 56cm.

Product concept & technology

Product Composition

Bike frame 100% Aluminium


Store the bike in a clean, dry place. Clean and grease the chain regularly. Our tips for before each ride: inflate the tyres to the pressure indicated on the sidewall.

User Restrictions

Wear a cycling helmet.

User reviews

Questions & Answers