Kid Stuff Parenting

How To Choose The Right Child Bike Sizes For Their Age

What are child bike sizes? And what size bike for my child should I get?

Riding a bicycle can be a healthy activity for kids. Through regular bicycling, kids can develop their balance, strength, and overall fitness. They can also burn up more calories, strengthen their cardiovascular system, and develop muscles surrounding their knees. A bike is an excellent investment because it encourages your kid to spend more time outdoors with the family.

With the number of bikes available in the market today, do you know how to buy one for your kid? Do you have any idea what to consider when buying a bike for them? Do you know how to size a bike for a child based on their age?

How To Choose The Right Child Bike Sizes For Their Age

Answering these questions is extremely important. Purchasing a bike that’s too small or too big for your kid can lead to injuries. Thus, instead of enhancing your kid’s development, you’ll end up hurting them.

Make sure to spend some time using reputable websites such as After which, you can use the following tips to help you choose the right child bike sizes. If you still have questions, you can head over in person to this great Seattle bike shop for help picking out the perfect bike for your little one!

1. Understand Your Kid’s Age

As mentioned, there are many bikes available in the market today. These options allow you to pick one that perfectly suits your kid’s age. However, shortlisting too many options can be a struggle. The number of options can be overwhelming and lead to stress. This is especially true if you don’t have any experience in buying a bike for your kid. 

One of the easiest ways for you to find the right child bike sizes by age. Today, you can now buy bikes that are appropriate for your kid’s age. If you’re leaning towards this direction, the following age guidelines can come in handy:

Early starters (aged 2 to 4): 

Contrary to popular belief, the first bikes parents should give to their kids aren’t those that come with a balancer. So your child can learn how to bike safely and as effectively as possible, look for a balance, or run a bike. These bikes do not have any chains or pedals. This means that your child has to use their feet to move using the bike.

Kids from two to four shouldn’t think about how they can get from one point to another using their bikes. Instead, they should concentrate more on how they can get their balance using the bike.

Two-wheel bikes usually have 12-inch wheels and are perfect for kids about three to five feet in height. When buying this type of bike, you should also look into its frame materials, turning limiters, brakes, and footrests. All of these can impact your kid’s ability to balance and maintain their safety while riding their bikes.

child bike sizes

Ready to freewheel (ages 4 to 7): 

If your kid already mastered how to balance a bike, it’s now time to give them a proper bike. During this time, you must know which bike to buy. Buying one that’s too big can usually cause frustration among your kids. This is especially true if they’re not able to ride or control the bike with ease.

For kids aged four to seven, a bike with a wheel size of 7 to 16 inches works best. This diameter is suitable for kids who are about three feet in height.

Aside from making sure that the height is proportionate to the age and height of your child, it’s also essential to choose a bike that comes in a light aluminum frame. This material will make it simple for your kid to touch the ground whenever they are coming to a stop, reach the bars on the bike while being seated on the saddle, and have a few inches of clearance whenever standing over the tip tube of the bike. You can follow this link here to dive in and grasp further details on the best bike brands according to the use you’re planning to give them.

Getting into gears (ages 7 to 10): 

Letting your kid use bikes when they’re still young allows them to master balance during their early years. Once your child has learned the basics of riding a bike, consider upgrading their bicycle. This upgrade means buying ones that come with gears.

Aside from mastering how to balance, your child will love to spend more time outdoors with their bikes when they turn seven. In some cases, they might even be the ones who will motivate the family to climb hills and cycle pathways!

Guardian Kids Bikes Ethos

When to go big with child bike sizes:

Once your child turns seven, you can now invest in a larger bike. This can be one wheel size of 20 inches and 6-speed gears that are usable for kids. Due to different varieties, it’s essential to consider if the gears will fit small hands. Another thing to consider is if it has a front derailleur.

This kind of bike requires responsibility.

Before giving one to your child, sit down with them and talk about your expectations. As a parent, you should explain to your child that they should always pedal when changing gears. They should never backpedal when turning and teach them how to change gears.

Do some practice sessions with your child to assess if they understood your instructions. Make sure they know how to shift from one gear to another. The more gears a bike has, the more time your kid should practice using it. Never let your child ride by themselves if they don’t know how to use the gears of their bikes yet.

2. Know The Best Brands Of Kids’ Bikes

Besides knowing the appropriate child bike sizes based on age, it’s also important to know the best brands for kids’ bikes. Buying a bike made specifically for children will give you peace of mind. You know that your child is less likely to suffer injuries and that your investment will last longer. No one wants to purchase a cheap bike and end up buying a replacement after a few weeks.

If you’re buying a bike for your child for the first time, doing some online research and asking for recommendations about the best brands will help. You can check brand websites you’re eyeing to buy and learn how other parents react to their products. Were the customers happy about their bikes? Or was the website full of negative comments from their customers? If it’s the latter, it’s best if you look for other options.

You should also reach out to individuals whom you know and ask for their recommendations. Inquire from your friends, colleagues at work, and other parents from school about the bikes they bought for their kids. The more resources you’ll use when scouting for options, the easier it’ll be for you to know how a specific brand works. 

This information will help you buy a bike that’s truly worth your hard-earned money. It will also help you avoid buying a brand that doesn’t meet your expectations.

3. Always Buy From A Bike Shop

Bikes are prevalent today. There are countless models available in different online and offline shops. Depending on your budget and lifestyle, you can buy from a website. There will be a slight wait until the bike is delivered to your doorstep. 

Although convenient, this isn’t the best way to buy a bike for your kid. You should be able to test and see the bike in person. This way, you can determine if the height is appropriate to the height and age of your kid. If possible, you should buy a bike from a physical store. This way, you can check measurements and allow your child to ride on it for a few minutes.

When considering child bike sizes, always buy from a bike shop

When buying a bike, it’s essential to only purchase from a bike shop. Regardless of how tempting it can be to buy from any big box stores, don’t do it. Items from big box stores are usually very cheap, but not all promise high-quality and optimal safety.

Buying from a bike shop might entail costs. However, it is for the safety of your child and the durability of the bike. The money you’ll pay will be worth it in the long run. It’s always better to buy an expensive yet durable bike for your child rather than one that’s cheap and can cause injuries and accidents.

As much as possible, only buy a bike from the manufacturer’s shop. Doing this allows you to enjoy a lifetime warranty. It will help you save more money in cases when you need repairs or replacements for the bike. You can never experience any of these warranties when choosing to buy in department stores or big box stores.

child bike sizes

4. Choose A Lightweight Bike

It’s common for parents to focus on the safety features of their kid’s bikes. You don’t want to let your kid ride in a bike that can compromise their safety, right? To achieve this goal, you shouldn’t only assess the built-in safety features of the bike. Instead, you should also determine its weight to check if it suits your kid’s age.

Buying a heavy bike will discourage your kid from using it very often. Sure, they’ll be riding on their bikes, but their weight can affect their experience and performance when maneuvering it. It’ll be challenging for a kid to climb steep terrains or go fast if their bikes are too heavy.

Bikes made from an aluminum or titanium frame are lightweight options. However, this doesn’t mean that you should completely cross off a steel-framed bike from your shortlist. If the bike’s components are still lightweight, a bike made from a steel frame can be an excellent option for your child, too.

5. Check The Brakes

The brakes are the most vital safety feature every bike should have. The brake system allows your child to stop or slow down their bikes. This feature will keep them safe as they’re riding it. However, just because you see a bike with a built-in brake system doesn’t mean it’s the right bicycle. Before buying one, you should scrutinize its functionality, size, and ease of use.

When choosing a bike for your kid, make sure that you’re testing the brakes first. The brake levers should be designed for small and weak hands, just like your kids’. Adults should be able to squeeze the lever using their pinky fingers. If the brakes don’t work as you’re doing this, the gear might be too hard for your kid.

child bike sizes

Aside from the lever of the bike, pay extra attention to the mechanism of the brakes placed near the pedals. Avoid buying bikes with coaster brakes and always opt for those that come with hand brakes. Using the former can be very challenging, especially for a kid who’s still learning how to balance on a bike. Whenever your kid backpedals, the coaster brakes will automatically stop, and they’ll likely fall over. This can cause accidents and severe injuries that can discourage your kid from using their bikes again.

A lot of parents still buy coaster brakes for their children. These will keep the rider safe as kids are still not coordinated to know how to use the brakes. However, this is a misconception.

Letting your child use coaster brakes will make it hard for them to progress into adult or bigger bikes. They’ll solely rely on the features of the coaster brakes, making it challenging for them to retain their balance if this feature is absent.

Child Bike Sizes: Knowledge Is Power

Generally, all bikes being sold in the market work the same way. These bikes help your kid get from one location to another by using the pedals. However, the purpose of the bike shouldn’t be your sole consideration when buying one for your kid. To provide optimal comfort and safety, you should make sure that the one you’re buying suits their age.

After deciding that you’re going to buy a bike for your kid, make sure to use this article as your buying guide. If you know what factors to consider, it’ll be effortless for you to know the perfect child bike size.

Alicia Trautwein is an Autism advocate, writer, motivational speaker, and dedicated mom of four. Alicia’s desire to advocate for Autism comes from her own autism diagnosis and that of her three children, niece, and brother. Her life’s mission is to educate on autism acceptance and change the world for future generations of autistic individuals.

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