The Journal

Why children do not need 24 gears.

At 7 years old, children should think about pedaling. Not solving a Shimano equation.

Drivetrain5 min readMaurice Bidon
Maurice Bidon illustration: why children do not need 24 gears
IllustrationAt 7 years old, children should think about pedaling. Not figuring out a drivetrain.

The problem with modern junior bikes is that sometimes it feels like some adults are trying to prepare children for the Tour de France… before they even know how to take off a jacket while riding.

Triple chainrings. 24 gears. Suspension. GPS screen. Complicated drivetrain. Brake levers impossible to reach. A cockpit looking like the dashboard of a fighter jet.

And in the middle of all this? A 7-year-old child who simply wanted to ride fast with friends.

At that age, the true luxury… is a simple bike.

Children do not pedal like adults

Adults understand mechanics. They anticipate. They think. They adapt their effort. They know they should cross-chain less, spin more, shift down before a climb and anticipate rhythm changes.

Children mainly want to accelerate, corner, brake, stand on the pedals, follow older riders and feel like Pogacar on a 4% climb.

The more complexity we add, the more enjoyment we remove.

The problem is not mechanical

The problem with 24 gears on a children’s bike is not only technical. It is emotional.

When a bike becomes complicated, children start thinking about the bike instead of thinking about riding.

And as soon as it becomes complicated, it becomes less fluid. Less instinctive. Less fun.

At 7 years old, children should think about pedaling. Not figuring out a drivetrain.

Simplicity is not low-end

Simplicity is often confused with technical poverty. That is a mistake.

A simple bike can be extremely well designed. A simple bike can be beautiful, efficient, sporty, premium and coherent. Simplicity is not the absence of thought. It is often the result of more demanding thinking.

For children, a readable, intuitive and coherent drivetrain is better than a pile of possibilities they will not use correctly.

The bike should disappear

A good junior bike is not a bike impressing adults with a specification sheet as long as a mountain stage.

It is a bike that disappears beneath the child.

A bike you forget about. A natural bike. An obvious bike. A bike leaving space for vision, lines, enjoyment, breathing and smiles.

Because deep down, children do not dream about “24 gears.”

  • They dream about going fast.
  • They dream about cornering cleanly.
  • They dream about following older riders.
  • They dream about attacking a small climb.
  • They dream about coming home smiling.

At AEROZO

At AEROZO, we believe a junior road bike should make children want to ride like adults without imposing adult complexity on them.

Performance does not begin with more levers, more cables, more gears and more decisions to make.

It begins with a clear bike. A readable bike. A bike that builds confidence.

Less confusion. More enjoyment. Sometimes that is what true progress looks like.
Illustrated by Maurice Bidon

Self-proclaimed specialist in overly complicated drivetrains, absurd cockpits and children who simply wanted to pedal peacefully.