Product Colors and Sizes

  • Black Friday product
  • New Deal product
  • Cyber Monday product
  • Clearance product
  • Deal product
  • Best Seller product
  • Ecodesign product
  • New product
  • Staff Pick product
  • In The News product
  • Innovation product
  • product

Btwin ST120 Kids' Mountain Bike 20" Kids 3'11" to 4'5"

Sale price: $119.00 Regular price: $199.00

To take on the first slopes, our engineers have equipped this kids' MTB with 6 speeds. This bike allows the rider to take on sloping terrain.

Color: Select a color
Size: Select a size
Sale price: $119.00 Regular price: $199.00

See shipping rate at checkout

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.

Model: 8676047

Product Features

A photo of the Btwin ST120 Kids' Mountain Bike 20" Kids 3'11" to 4'5" in use
A photo of the Btwin ST120 Kids' Mountain Bike 20" Kids 3'11" to 4'5" in use

Btwin ST120 Kids' Mountain Bike 20" Kids 3'11" to 4'5" | We have designed this mountain bike for 6-to-9-year-olds (3'11" - 4'5") wanting to start mountain biking.

To take on the first slopes, our engineers have equipped this kids' MTB with 6 speeds. This bike allows the rider to take on sloping terrain.

Easy to use

Equipped with a grip shifter to easily change gears (6 speeds).

Brake control

New Easy break brake levers are sized for kids' small hands.

Efficiency

Tires with side lugs for good grip in the turns.

Seat comfort

A saddle with a sporty design, sized especially for kids.

Questions & Answers

Product Customer Reviews

Skip to reviews
17 Reviews
Write a Review 
Btwin ST120 Kids' Mountain Bike 20
Filtered by reviews Loading reviews…

Great!

icon-circle-checkmark verified purchase

My girls loved the bike

icon-circle-checkmark verified purchase
Fast shipping, great quality

Great quality and value for money. Super fast shipping to east Malaysia.

icon-circle-checkmark verified purchase
Recommend

Very good

icon-circle-checkmark verified purchase
Excellent

Very good product

icon-circle-checkmark verified purchase
ครั้งแรกของการสั่งซื้อออนไลน์ ประทับใจที่สุด

ซึ้อจักรยานเป็นของขวัญวันเกิดให้ลูกชาย การบริการดีมากค่ะ โดยเฉพาะพนักงานสาขาพระรามสอง อยากให้สัก 10 ดาวค่ะ ยกเว้นขนส่ง Kerry ที่อาจจะต้องปรับปรุงการใช้บทสนทนากับลูกค้านะคะ

great

my son likes this bike

icon-circle-checkmark verified purchase
👍

Mantap

icon-circle-checkmark verified purchase
Good cost benefit ratio

A simpler gear control would be nice, with two levers instead of a fist. A lighter frame would be appreciated

icon-circle-checkmark verified purchase
mountain bike

steel frame bike have a fair amount of weight but not impressed that the staff did not check the order first which the bike does not tighten the nut on the bike neck Sister brought it out to try riding at the track. The car fell over because the bike's neck fell off. Have to push it back to the staff to help tighten the bike neck lock nut again. Good thing he wasn't injured. I want the staff to check the order before delivering the product.

icon-circle-checkmark verified purchase
The price is higher than other stores.

when comparing looks and functions that are the same as those of neighbors bought from other stores

icon-circle-checkmark verified purchase
Affordable kid bike

the bike is great, the price is reasonable!

icon-circle-checkmark verified purchase
Quick to learn

Quickly picked up by my 7 year old boy

icon-circle-checkmark verified purchase
Poor fit by technician

We bought the bicycle as well as some accessories, right there at Decathlon the technician from the bicycle area made the corresponding adjustments, however, he left some loose parts that make handling difficult when using the bicycle, now I have to schedule to take it back for said adjustment…….

icon-circle-checkmark verified purchase
Great bike

My 6 year old can handle this bike with ease and shifting gears and breaks are made for his hands

icon-circle-checkmark verified purchase
https://sf-dkt-reviews-api-prod-y7jflx25za-uc.a.run.app
Skip to reviews

Additional Product Information

Composition

Bike frame : 100.0% Steel

Frame designed for mountain biking

Our engineers have designed a new, robust steel frame. The frame's rear chainstays are short, making the bike responsive and easy to handle.

Why have we created a brake lever specifically for kids?

Because kids have smaller hands than adults, it's not always easy for them to reach the brake lever. This is why our engineers designed a brake lever that is closer to the handlebars and thus easier to hold.

Changing gear

This bike is equipped with a grip shifter to change between the 6 speeds: an easier, safer system as the kid's hands stay on the handlebars. 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 kids. It is equipped with a plastic section on the rear (a bumper) to protect against any impacts.

Controlled braking

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

Storage instructions

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

Guarantee

for life (frame, stem, handlebars, rigid fork). Find out more about this bike's warranty.

Origin

Imported

Law label information

Click here to see the product label

 

Size Guide Visual

Please Sign In to Post Your Question

In order to notify you about the answer it is required to Sign In.

Sign In
Close