Decathlon Rockrider ST100 24 Inch Mountain Bike White, Kids Size 4'5" to 4'11"

We've designed this robust, easy-to-use (1 chainring) 24-inch mountain bike for helping kids' to get started with mountain biking. Recommended for 9 to 12-year olds (4'5" to 4'11").

Our engineers have designed a new sturdy steel frame. The frame's rear chainstays are short, making the bike responsive and easy to handle. We've designed this robust, easy-to-use (1 chainring) 24-inch mountain bike for helping young adult's to get started with mountain biking. Recommended for 9 to 12-year olds (4'5" to 4'11").
 

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.
 

Changing gears (6 speeds)
 

This bike is equipped with a grip shifter to change between the 6 speeds: It's safer and easier for children as they don't need to let go of the handlebar to change gears.
 

This makes changing gears to match the terrain simple and easy!
 

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 from any impact.
 

Riding position
 

This MTB is equipped with an inclined stem for maximum comfort. Your sitting position on the bike is slightly raised in order to help you plan your route.
 

Crankset
 

The new chainset has a 152 mm crank that is designed for a child's leg length. This chainset allows you to start pedalling more easily.
 

The double chain guard prevents the chain from derailing.
 

24" wheels and MTB tires
 

To transport the bike, we’ve made it easy to remove and attach the front wheel. It is equipped with a quick-release system.
 

The tires are designed for mountain biking. The side lugs provide good grip on turns.
 

The recommended tyre pressure is indicated on the side of the tyre (2 to 3.5 bars). 24" inner tube, 1.7" to 2.2" Schrader valve.
 

Bike equipment
 

This 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 holder; - bike bags; - stabilisers
 

Dimensions of the bike ready to use:
 

Length: 63". Height: 39.4". Width: 22".