B'Twin Rockrider ST 500 Kids 20" Mountain Bike

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The B'Twin Rockrider ST 500 Kids 20" Mountain Bike features a steel hardtail frame with front suspension for MTB riding, 6 speed groupset (1 x 6), V brakes & 20" wheels, weighing 14.3kg and is finished in black & yellow.

B'Twin Rockrider ST 500 Kids MTB

  • B'TWIN Steel Hardtail Kids Bike with Suspension Forks
  • 20" Wheels (Caliper Brakes)
  • 6 Speed (1 x 6)
  • Designed for MTB riding.
  • Available in One Size in Black & Yellow.
  • Weighs 14.3kg

Perfect for regular mountain bikers aged 6 to 9 years old (120-135 cm tall), the B'Twin Rockrider ST500 has 6 speeds which, when combined with its front suspension fork, make it easy for younger riders to overcome rough and hilly terrain.

Designed with a grip shifter for easy gear changing, it's a bike that makes mountain biking safe, simple and fun. Sturdy steel frame. Ergonomic saddle.

20-inch wheels.

Frame designed for mountain biking: Our engineers have designed a new sturdy steel frame. The frame's rear chainstays are short, making the bike responsive and easy to handle.

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 gear: This bike is equipped with a grip shifter to change between the 6 speeds: an easier, safer system as the child's hands stay on the handlebars. This makes changing gears to match the terrain simple and easy !.

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 section on the rear (a bumper) to protect against any impacts.

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.

Riding position: When mountain biking, it is important to control your path.

To make it easier for children to learn, our engineers installed a handlebar and stem that are combined into a single steering block. This eliminates the needs for adjustments, so they can stay focused on the road!.

20" wheels and MTB SkinWall tyres: 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.

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: 140cm.

Height: 80cm.

Width: 54cm.

Weight: 14.3 kg... more details.

ST 500 Kids 20 MTB Specification

Bike TypeKids Bikes
Frame Material
Frame Type
Fork Type
Brakes Type
Number of Gears
Wheel Diameter
Designed for
Lowest Price£169.99

Kids Bike Deals

Why not check out some children's bikes deals?

Or view all of my latest kids bikes deals.

Admittedly my website is more geared towards adult sized bikes, as these tend to be the models which are the most popular, and offer you the most savings. Also, often the only reduced kids bikes I see are the cheap and cheerful ones, and I don't want to promote rubbish bikes to my visitors! However if and when I find any discounted kids bikes, then I include them in my kids section. If you can't find a suitable bike there, why not see my Road Bikes and Mountain bikes sections, where you can check out the smaller models which may well fit younger legs.

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