Kids Bikes

There are several ways to bond and spend time with family and friends, and biking—especially with kids bikes—is a perfect option. Not only does cycling promote endurance and an appreciation for nature, but it’s also an affordable way to make lasting memories. Whether you’re looking to tackle challenging trails without leaving your children behind or hoping to inspire a love for biking early, having the right bikes for kids is essential.

Explore our range of kids bikes designed for all ages and abilities—from the first balance bike to robust kids mountain bikes ready for off-road adventures. Whether your young rider is interested in road cycling, neighborhood tours, or hitting single tracks, you’ll find the perfect mountain bikes for kids and even the ideal boys mountain bike to match their style, age, and height.

There are countless advantages to introducing children to mountain activities like biking and hiking. Give them the right start with a high-quality, adventure-ready kids bike.

Benefits of Kids Bikes: Why Bikes for Kids Matter

According to experts, most children around age four are ready to ride—a perfect time to introduce kids bikes and start developing their motor skills. At this age, many kids have the balance, agility, and coordination needed to ride a kids' bicycle or even begin exploring kids mountain bikes and bikes for kids without training wheels. Introducing cycling early opens up a world of benefits:

• Improves hand-eye coordination and balance
• Helps children learn how to handle an actual bicycle for kids
• Encourages a love for activities that enhance physical fitness
• Supports mental, emotional, and physical development
• Inspires mini-adventures with friends on kids mountain bikes and builds social skills
• Strengthens family bonds through shared outdoor experiences
  
  

Starter bikes or tag-along cycles (with three to four wheels) are ideal for toddlers, while most kids bikes for sale can accommodate children as young as four, with adult supervision.

What kind of kids bike should you choose for your child’s first ride?

Choosing the Right Kid Bikes

It’s tempting to immediately send your child down a beginner trail, but the safest approach is to pace their progress and start with the most suitable kids bike for their age and skill level. Choosing the right bikes for kids helps prevent injuries and ensures a positive introduction to cycling.

Starter Kids Bikes for Every Age

If your child is under four years old, these types of kids bikes are ideal:

• Tricycles: Three-wheel cycles that provide stability and don’t require much supervision. Tricycles are a fun first step but don’t teach the core balance skills needed for a traditional bicycle for kids.
• Bicycles with Training Wheels: These are classic kids bikes with small, removable side wheels. Training wheels can be attached to most bikes for kids, offering stability as children learn to pedal. The benefit is that you can remove them to convert the bike as your child gains confidence.
• Balance Bikes: Balance bikes are pedal-less bicycles designed to teach kids the fundamentals of balance and steering. Children who start with balance bikes often transition more easily to regular kids mountain bikes and pedal bikes.

While many kids bikes for sale can accommodate training wheels, it’s important to monitor your child’s progress—overreliance on training wheels can sometimes slow down the development of essential balancing skills.

Explore the 4 Top Kids Bikes by Age and Size

12 & 16 Inch Wheel Kids Bikes

Best Bikes for Kids Ages 2–5

Perfect for little riders just starting their cycling journey, 12-inch and 16-inch kids bikes are built for ages 2 to 5 or heights 2'7" to 3'7". These bikes for kids feature lightweight frames, easy-to-use brakes, and stable designs, making them ideal for learning balance and coordination. Whether it's a child's first bike or a step up from a balance bike, these options help kids gain confidence and develop essential motor skills. Discover a great selection of bikes for kids designed for safety and fun.

20 Inch Wheel Kids Bikes

Ideal Bikes for Kids Ages 5–8

Step up to more adventurous rides with a 20-inch kids bike, perfect for children ages 5 to 8 or heights 3'5" to 4'5". These versatile bikes for kids are great for neighborhood rides, bike paths, and light trails. Many models offer multiple gears, hand brakes, and durable frames. If your child is ready to explore further, our range of kids bikes for sale includes both boys and girls mountain bike options, ensuring comfort, safety, and performance on every ride.

24 & 26 Inch Kids Bikes – Boys Mountain Bikes for Ages 7–12

Mountain Bikes for Kids Ages 7–12

Designed for young adventurers, 24-inch and 26-inch kids mountain bikes are the top choice for boys and girls ages 7 to 12 (4'1"–4'11"). These kids mountain bikes come equipped with lightweight frames, responsive gears, and grippy tires, built to handle everything from school commutes to challenging trails. Encourage outdoor exploration and active play with mountain bikes for kids that offer control, durability, and a fun ride on every terrain.

26 Inch+ Wheel Kids Bikes

Bikes for Kids Ages 9+

For older children and pre-teens, a 26-inch wheel kids bike is perfect. Suitable for ages 9+ and heights 4'7" to 5'3", these bikes bridge the gap between youth and adult sizes. Whether your child is ready for longer rides, tougher trails, or just needs a reliable bike for everyday adventures, our collection of mountain bikes for kids and bikes for kids in this size delivers comfort, speed, and durability for growing riders.

Kid Bikes Sizing

You might be ready to buy your children their first bicycles but don't know which ones to get. Unlike adult bikes, the sizes for kids' bikes use wheel diameters and inseam as the basis. It's important to note that for older kids, the sizing would vary according to height.

You can measure your child's inseam using a thick hardbound book and tape measure with the following steps:

• Let your child stand with feet slightly apart against the wall for support.
• With the book's spine facing upwards, insert it between the legs like a bike.
• Lift the book to ensure it's firmly planted between the legs and angle it parallel with the floor.
• The inseam is the measurement from the topmost part of the book's spine to the floor.

The Bikes Online selection range from 20" to 27.5", best suited for those above five years old. Here are some of the kids' bike measurements according to age, inseam, and height:

• 20" for those aged 5 to 8 years old with 19" to 25" inseam and 45" to 54" height.
• 24" or 26" for those aged 8 to 12 years old with 23" to 28" inseam and 49" to 59".
• 27.5" for those aged 12 to teens with 25"+ inseam and 56"+.

We recommend purchasing kids bicycles to prepare them for adult standard mountain bikes in the future since they might have trouble adjusting to bigger bikes when you buy one that's precisely their size.

Best Mountain Bikes for Kids

BikesOnline offers the best kids' bikes for sale with high-quality and durable materials to ensure safe rides in any terrain. The shop's extensive selection guarantees you'll find the bicycle most appropriate for your child's size to ride in any weather.

You can utilize the convenient Bike Finder to check for suitable bicycles according to road type, age, height, riding style, and price range. The customized results will show you the best mountain bikes for kids based on your specifications, and you can even save them for future reference when you want to purchase another one.