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Btwin Rockrider ST900 Mountain Bike 20" Kids 3'11" to 4'5"

Sale price: $200.00 Regular price: $399.00

20-inch bike with 6 speeds, front suspension, double disc brake

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Size: Select a size
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Sale price: $200.00 Regular price: $399.00

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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: 8629906

Product Videos

Product Features

A photo of the Btwin Rockrider ST900 Mountain Bike 20" Kids 3'11" to 4'5" in use
A photo of the Btwin Rockrider ST900 Mountain Bike 20" Kids 3'11" to 4'5" in use

Btwin Rockrider ST900 Mountain Bike 20" Kids 3'11" to 4'5" | 6-8-year-old kids (4'1" - 4'7")

20-inch bike with 6 speeds, front suspension, double disc brake

Easy to use

6 speeds, quick-release saddle, quick-release front wheel

Bike safety

Double disc brakes provide powerful and easy braking.

Shock absorption

Suspension fork.

Lifetime warranty

B’Twin offers a lifetime warranty on the steel frame, stem, and handlebar.

Questions & Answers

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

Question:

How much does this bike weigh?

Answer:

This bike weighs aproxamately 21lbs

By Thierry on Nov 22, 2023 | STAFF

Product Customer Reviews

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470 Reviews
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Btwin Rockrider ST900 Mountain Bike 20
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Alright

Alright

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Very good product

Very good product

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aluminum bike

great product but still expensive in my opinion

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This purchase was…

This purchase was made for my grandson's birthday. he was delighted.

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ROCKtIDER

I recommend this bike, the boy is very happy with it!

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For my still "small" son, an excellent purchase. Adequate value for money

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In two years without a single defect.

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Very good bike, adopted…

Very good bike, adopted very quickly by my son. I recommend.

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Very good bike, in…

Very good bike, in the light and durable range. Nice look and clearly visible. Easily adjustable.

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Happy little son at…

Grandson happy in every way on his Rock rider mountain bike...

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Nice bike. Effective braking,…

Nice bike. Effective braking, gear changes suitable for children.

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Worth the Money!

Great

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Rad

Fed up for the moment

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Catastrophic spare parts supply

My son has not been able to use the bike for 15 months because Decathlon has failed to supply a crankset, let alone a new brake fitting.

Bike

Very good solid bike pretty

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Size Guide

Size Guide Visual

Additional Product Information

Composition

Frame (for bike): 100.0% Aluminium

Frame

Aluminum frame designed by B'Twin. The lowered frame geometry makes it easier to get on and off the bike.

Drivetrain

6 speeds. Ultra-soft grip shifter for kids: Change gears using a grip shifter, which is easier and safer (kids don't have to let go of the handlebar to change gears). B'Twin chose this shifter as it is extra soft and specially sized for kids' hands.

Handlebar / stem / steering

Mid-rise stem and handlebar.Quick-release saddle. Comfortable, reinforced (plastic shell) saddle that provides a comfortable position. Fast, tool-free saddle adjustment. B'Twin selected this reinforced saddle for its tried-and-tested durability (should the bike fall over, for instance).

Brakes

Very reliable double disc brakes. B'Twin chose to equip this bike with a double disc Brake system for its ease of use, easy maintenance, and greater braking power.

Warranty

Lifetime warranty on manufacturing defects for all metal frames, rigid forks, stems, and handlebars.5-year warranty on all carbon frames and forks.2-year warranty on all other parts.Excludes damages arising from normal wear and tear, misuse, negligence, and unauthorized modifications.

Compatible accessories

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

Guarantee

Lifetime (frame, stem, handlebars). Availability of spare parts: 2 years

Origin

Imported

 

Size Guide Visual

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