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Rockrider ST500 Mountain Bike 24" Kids 4'5" to 4'11"

Sale price: $219.00 Regular price: $349.00

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 6 speeds

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Sale price: $219.00 Regular price: $349.00

Free shipping over $49

Final Sale: No returns or exchanges

Free returns

Free pickup

San Francisco, 735 Market St. Options

Select an available color and size to see options.

About this item:

  • 100% Steel Frame
  • Rockrider Front Suspension Fork
  • 6 Speed B'Twin by Microshift Drivetrain
  • Aluminium Wheels with front quick relaease
  • V-Brake system front and rear
  • Child Specific Ergonomic Saddle
  • Lifetime Warranty on the frame
Model: 8629908

Product Features

A photo of the Rockrider ST500 Mountain Bike 24" Kids 4'5" to 4'11" in use
A photo of the Rockrider ST500 Mountain Bike 24" Kids 4'5" to 4'11" in use

Rockrider ST500 Mountain Bike 24" Kids 4'5" to 4'11" | 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 6 speeds

Easy to use

With grip shifter to easily change between the 6 speeds.

Brake control

Two V-Brake pads for effective braking.


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

Cycling comfort

A saddle with a sporty design and a shape adapted to kids' bodies

Product Lifestyle Image Gallery

Image Gallery

Rockrider ST500 Mountain Bike 24 

Rockrider ST500 Mountain Bike 24 

Rockrider ST500 Mountain Bike 24 

Rockrider ST500 Mountain Bike 24

Questions & Answers

Look for product information, frequently asked questions, opinions...


Is it suitable for a women of height 4'11" weighing less than 110lbs to ride this bike?


Sure - the weight is not the issue, but the size should work though seatpost will close to it's highest point.

By Thierry on Apl 2, 2024 | STAFF


Does the bike come assembled?


This bikes comes 90% assembled. Some minor assembly is required, but all the tools you need are included with the bike. Pedals need to be installed, and front wheel needs to be put on the bike. Also the handlebars need to be attached.

By Thierry on Apl 30, 2024 | STAFF

Product Customer Reviews

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Rockrider ST500 Mountain Bike 24
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Bike that looks solid. Used for 6 months I have not had any problem

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Great bike, girl…

Great bike, my daughter loves it

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Children's mountain bike Rockrider

Except for the weight of the bike, the bike is really heavy for my daughter, so the price-to-weight ratio is fine.

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Very good product

Very good product

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Very good bike for…

Very good bike for a 9 year old child. Nothing to complain about except on the pedals. Big big problem... right pedal even if you tighten it before leaving with pliers and everything doesn't hold. Impossible to ride a bike. Big problem

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Good bike for 8 year old

Sturdy and good bike for an 8 year old. My son is small, so I first tried out the bike in the store. We received good advice.

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good product

Quality vs Price

Optimal quality at an affordable price for large families

Very good quality and low price of the above-mentioned products

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My 9 year old boy…

My 9 year old boy likes it a lot. Good quality price

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Easy to handle. To the liking of the 7-year-old boy.

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Thanks to

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Mid-range bike,…

Mid-range bike, the handles are not very pleasant and the gear change notch is a little hard.... The whole thing remains heavy 14.3kg, this is the weight of an entry-level adult bike of range... St120 adult = 15.5 kg for 359€ St450 27.5 inches = 13.35kg in size S (1m50).... For 460€ It also lacks a quick release on the rear wheel, it's is a small saving for the manufacturer but it remains very practical for the user... too bad

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Good bike

A nice bike at an affordable price and the rental offer is great
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Size Guide

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Additional Product Information


Frame (for bike): 100.0% Steel

A frame that is suitable for mountain biking

Our engineers have designed a new, robust steel frame. The frame's rear chainstays are short to make the bike dynamic 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 between the 6speeds

This bike is equipped with grip shifter to make it easy to change between the 6 speeds - more precise control over your pedalling.

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

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 tyres 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 3.5 bar).24-inch 1.7 to 2.2 cross-section inner tube with Schrader valve.

Compatible accessories

KIDS BIKE STAND 100 (Model Code 2694189)20” & 24” KIDS BIKE STABILIZERS (Model Code 8550741)

Storage instructions

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.


for life (frame, stem, handlebars, rigid fork). Find out more about the bike guarantee.



Law label information

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