Kids’ Mountain Bike 20 in, EXPL 900 CNFR

For comfortable rides on rough terrain, we’ve equipped this 20 in MTB with a suspension fork. Easily overcome slopes with the 7 speeds.

ID 9005251

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QUEBEC CONSUMERS ONLY: Decathlon Canada Inc. offers a wide selection of repair services, spare parts (in-store and online), and support information, but we do not guarantee their availability under the Consumer Protection Act. The only exceptions are the specific repair services listed below for purchases made on or after October 5, 2025
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How to get it

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Ease of use
Alumimum frame. The 7s Easy trigger can help kids learn how to change gears.
Brake control
Front and rear cable disc brakes: powerful braking in all conditions
Efficiency
Suspension fork. Aluminum double wall rim and 20 x 1.95 in tire

Description

Design details

Front suspension cushions bumps on unpredictable terrain.
Take on new challenging terrain (roots, stones, gravel, etc.) with the travel of the front suspension fork.
What if I order online?
For smarter shipping, our bikes come with their pedals removed and the handlebars unscrewed (instructions and tools are supplied)
Washing instructions
In order to protect your bike, we recommend not using a high pressure cleaner. Rinsing with clear water and a sponge is preferable.
Changing gear
This bike is equipped with an easy triger to change between the 7 speeds: an easier, safer system, as the child’s hands stay on the handlebars. Makes shifting gears to match the terrain simple and easy!
Frame designed for mountain biking
Our engineers have designed a new aluminum frame. Durable, lightweight, and responsive: designed for tackling any obstacle when out mountain biking.
Frame dimensions
Top tube length: 433.4 mm Seat tube length: 285 mm Chainstay length: 360 mm Seat post length: 300 mm Head angle: 69°
Dimensions of the assembled bike
Length: 140 cm (55.1 in). Height: 76 cm (29.9 in). Width: 52 cm (20.4 in).
Riding position
We equipped this mountain bike with a short 45 mm aluminum stem and an oversized 520 mm handle for more controlled steering. This makes you more precise and responsive on turns.
Why did we design a brake lever especially for kids?
Because kids have smaller hands than adults, it’s not always easy for them to reach the brake levers. The brake lever was designed to be closer to the handlebars and easier to hold.
Bike accessories
This mountain bike is equipped with kickstand a bell, wheel reflectors, and platform pedals. The frame is also compatible with other Btwin accessories: - front and rear mudguards - bottle cage - saddle bag - training wheels
Controlled braking
Effective braking thanks to the cable-activated disc brake at the front and rear. The disc brake acts on the wheel axle to deliver powerful braking under any conditions (dry, wet, muddy, etc.).
Reinforced, ergonomic saddle
A saddle with a sporty design, designed with care to adapt to kids. Combined with an aluminum seat post for even greater comfort.
20 in wheels and MTB SkinWall tires
The tires are designed for mountain biking. The lateral lugs provide good grip on turns. The tires use SkinWall technology. This technology reduces their weight and makes them more flexible, which increases performance, traction, and comfort. 20 in x 1.95 in tire
Aluminum chainset
The new chainset has a 140 mm crank that’s designed for children’s leg length. This light chainset allows kids to start pedalling more easily. The double chain guard prevents the chain from derailing.

Kids’ Mountain Bike 20 in, EXPL 900 CNFR

How to get it

Features

Description

Design details

Specifications

Details

Composition

EU product safety contact

Usage & care

Description

Design details

Specifications

Details

Composition

EU product safety contact

Specifications

Details

Composition

EU product safety contact

Usage & care

How to use

Everything you need to know

How to repair or replace

For life (frame, stem, handlebars, and rigid fork). Find out more about the bike’s warranty.

Care instructions

Usage precautions

Storage

Cleaning

Specifications

Details

Composition

EU product safety contact

How to use

Everything you need to know

How to repair or replace

For life (frame, stem, handlebars, and rigid fork). Find out more about the bike’s warranty.

Care instructions

Usage precautions

Storage

Cleaning