Avoid the temptation to "buy big" for them to grow into. A bike that’s too large is difficult to maneuver and can discourage a new rider from ever wanting to get back in the saddle.
These have no pedals or chains. They are the best way to teach balance and steering without the crutch of training wheels. how to buy a bike for a child
A heavy steel bike can weigh half as much as the child, making it hard to control. Aim for a lightweight aluminum frame if your budget allows. Avoid the temptation to "buy big" for them to grow into
Younger kids (under 5) often use coaster brakes (pedal backward to stop) because they lack the hand strength for levers. For older kids, ensure hand levers are "short-reach" specifically for small hands. They are the best way to teach balance
If you'd like, I can help you if you tell me: Your child's height or inseam Their experience level (first-timer or ready for gears?) Your budget () How to choose the right size bike for a child | Cycling UK