OBERSON BUYING GUIDE

How to choose a children's bike

Deux jeunes garçons sur vélo de montagne et une petite fille sur un vélo pour enfants

The right kids' bike makes learning easier and much more enjoyable for your young rider. Oberson experts explain how to choose the right size, fit, bike type, and ideal weight.

Updated: May 1, 2026
Reading: ~10 min
By: The Oberson Experts
Deux jeunes garçons sur vélo de montagne et une petite fille sur un vélo pour enfants

IN BRIEF

How to choose a bike for children

Choosing a kids' bike starts with the right wheel size, determined by your child's height. A good fit is essential for control and confidence. Balance bikes are ideal for learning to ride, while hybrid bikes are the most versatile for everyday use. For trails and rougher terrain, a mountain bike is the best choice. Regardless of the bike type, a lighter model will be easier to handle and more enjoyable to use.

How to choose the right bike for children?

Start by choosing the right size and a suitable fit, then select the type of bike based on its intended use. The goal is to find a bike that your child can handle easily and confidently from the start. For the youngest children, a balance bike is often the easiest way to begin.

STEP 01

What size bike should I choose for a child?

Choose the bike size based on your child's height, primarily using wheel diameter. An adequate size makes control easier and helps build confidence from the very first rides.

Wheel size Child's size Inseam Approximate age
12″ 85–100 cm 14–17 in 2–3 years
14" 95–110 cm 40–50 cm 3–4 years
16″ 105–120 cm 45-55 cm 4–6 years
20″ 45–54 in. 48–63.5 cm 5–8 years
24″ 124–150 cm 58–71 cm 8–11 years old
26″ 142 cm and over 25 inches and up 10+
Wheel size
12″
Child's size
85–100 cm
Inseam
14–17 in
Approximate age
2–3 years
Wheel size
14"
Child's size
95–110 cm
Inseam
40–50 cm
Approximate age
3–4 years
Wheel size
16″
Child's size
105–120 cm
Inseam
45-55 cm
Approximate age
4–6 years
Wheel size
20″
Child's size
45–54 in.
Inseam
48–63.5 cm
Approximate age
5–8 years
Wheel size
24″
Child's size
124–150 cm
Inseam
58–71 cm
Approximate age
8–11 years old
Wheel size
26″
Child's size
142 cm and over
Inseam
25 inches and up
Approximate age
10+

These ranges are approximate and may vary depending on the model and your child's proportions. If your child is between two sizes, a smaller bike will generally be easier to control and facilitate learning, while a larger model will last longer but be slightly more difficult to handle. Avoid choosing a bike that is too big so that it "lasts longer": a heavier weight, a longer reach to the handlebars and brakes, and reduced control can make the experience frustrating.

STEP 02

How should a child's bike be adjusted?

A children's bike should allow your child to stand comfortably over the frame, easily reach the handlebars, and maintain control.

Your child should be able to place both feet flat on the ground, with approximately 5–8 cm of clearance above the top tube. When seated, their knees should remain slightly bent at the bottom of the pedaling stroke, and their hands should reach the handlebars without effort. A more upright position is generally more comfortable and easier to control.

STEP 03

What type of children's bike should you choose?

Choose a balance bike for beginners, a hybrid bike for everyday use, and a mountain bike for trails. For most children, simplicity and ease of control are more important than advanced features.

Balance Bikes (no pedals)

Ideal for young children (approximately 2 to 4 years old). They help develop balance and coordination before transitioning to a pedal bike.

Kids' Hybrid Bikes

The most versatile choice. Comfortable and easy to handle, they are perfect for bike paths, neighborhood commuting, and light gravel.

Kids' mountain bikes

Designed for trails and rougher terrain, with wider tires and more grip. Most models feature front suspension, and some more advanced bikes offer full suspension for technical trails and more demanding riding.

STEP 04

Is bike weight important for children?

Once the right size and type are chosen, a lighter bike will be easier to handle. It's simpler to push, start, steer, and stop, which helps build confidence and makes riding more enjoyable.

As a general rule, a child's bike should be about 30% to 40% of your child's weight. A bike that is too heavy can be more difficult to control, especially during the learning phase. Aluminum frames are generally lighter than steel ones.

STEP 05

What brakes should I choose for a child's bike?

Choose a braking system that your child can use easily and confidently. Coaster brakes (activated by pedaling backward) are simple and intuitive for younger children but offer less control than hand brakes. Since most larger bikes use hand brakes, it can be advantageous to get used to them early.

Hand brakes offer more precise braking and are better suited for older children or those riding on varied terrain. They require a bit more strength and coordination, but many children can use them sooner than you might think. Some models are equipped with adjustable levers suitable for small hands.

Which bike should I choose for my child?

The best bike is one that fits well, is easy to handle, and is suitable for its intended use.
• For young children learning to ride, a balance bike is often the best starting point
• For bike paths, neighborhoods, and light gravel, a kids' hybrid bike works well
• For trails with roots and rocks, a kids' mountain bike is the best choice

FAQ — How to choose a children's bicycle

At what age can a child start riding a bike?

Many children start with a balance bike around 2 to 3 years old. The right time mainly depends on the child's coordination, confidence, and interest.

Are balance bikes better than training wheels?

Balance bikes teach balance, coordination, and steering from the outset, which generally makes the transition to a pedal bike easier.

Should I buy a bike my child can grow into?

No. It's better to choose a bike that fits properly right from the start. A bike that's too big is harder to control and can slow down the learning process. Many models offer adjustments to extend their usable life.

Do children need gears?

Young children generally don't need them. Over time, on longer or hilly rides, gears can make pedaling easier. If your child struggles with ascents or rides on varied terrain, a bike with gears can be helpful.

Do children need suspension?

Suspension is not necessary for everyday use. On bike paths or smooth surfaces, a rigid or front-suspension bike is lighter and simpler.

Front suspension improves comfort on trails with roots or small rocks. Full suspension is primarily for more technical terrain and more experienced children.

In general, suspension becomes more useful as the terrain gets rougher and your child gains experience.

What accessories are necessary for cycling?

A well-fitting helmet is essential for safety. Depending on use, gloves, cycling shorts, and a water bottle can also improve comfort.

Kids' bikes at Oberson

Find the Right Kids' Bike

At Oberson, you'll find a wide selection of children's bikes suitable for all ages and levels. Our experts are available in-store and online to help you choose the right size and model.