We've found 148 deals, with prices starting from as little as £116.00 for a X-Rated Quarter BMX Bike - 20inch Wheel.
£499.00
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£520.99
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£537.99
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£552.99
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£555.99
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£577.49
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£584.99
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£598.99
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£611.49
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£641.99
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£650.00
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£650.00
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£695.99
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£832.99
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£929.99
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£1003.99
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£1067.99
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£1115.99
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£1542.99
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£1596.99
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£1625.99
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If your child has outgrown their first bike, a Junior Bikes 20 inch model is often the ideal next step. Designed for growing riders who want more confidence, speed and adventure, these bikes are perfect for school rides, family cycling trips and exploring local trails. At Velostrive, we compare prices from leading UK cycling retailers, making it easy to find the best 20 inch Junior Bikes without spending hours searching multiple websites. Whether you're looking for a lightweight hybrid, a capable mountain bike, or a stylish everyday bike, our comparison page helps you discover the latest offers in one convenient place. A 20 inch Junior Bike offers the perfect balance between stability and independence. Most children move up to this wheel size once they have mastered riding a smaller bike and are ready for longer adventures. Compared with smaller models, these bikes usually feature stronger frames, better gears and more capable brakes, helping young riders tackle hills, cycle further and gain confidence on different types of terrain. Most 20 inch Bike Boy and 20 inch Bike Girl models are suitable for children approximately 6 to 9 years old, although height is always more important than age. Riders around 115cm to 135cm tall will generally find this size provides the most comfortable fit. Choosing the correct frame size helps improve control, safety and enjoyment, making every ride more comfortable. One of the most common questions parents ask is whether to choose a 20 inch Mountain Bike Boy model or a lighter hybrid bike. If your child mainly rides on roads, cycle paths and parks, a lightweight hybrid is often quicker and easier to pedal. However, if they enjoy woodland trails, family MTB rides or rougher terrain, a junior mountain bike with suspension and wider tyres can provide extra comfort and grip. The best choice depends on where they'll spend most of their riding time. Modern Junior Bikes 20 inch come packed with features that help children ride safely and comfortably. Pros Cons How do I know if my child needs a 20 inch bike? Are 20 inch bikes suitable for boys and girls? Do children need gears? Is an aluminium frame worth it? Velostrive makes comparing Junior Bikes 20 inch simple. We bring together offers from trusted UK cycling retailers, helping you compare prices, features and availability in one place. Whether you're searching for a dependable everyday bike, a capable 20 inch Mountain Bike Boy, or a stylish 20 inch Bike Girl, you'll find plenty of options to suit every young rider and every budget. Browse today's latest 20 inch Junior Bikes and discover the best deals available from leading UK bike shops, all conveniently compared on Velostrive.Why Choose a 20 Inch Junior Bike?
Who Is a 20 Inch Bike Suitable For?
Should You Buy a Mountain Bike or Hybrid?
Popular 20 Inch Junior Bike Styles
What Features Should You Look For?
Pros and Cons
Frequently Asked Questions
If your child is comfortable on a smaller bike and measures around 115cm to 135cm tall, a 20 inch model is usually the next logical upgrade.
Absolutely. Most manufacturers produce identical bikes in different colours and graphics, so choosing the right fit is much more important than the styling.
If they'll be riding on varied terrain or hilly routes, gears make cycling much easier. For flatter areas, a single-speed bike can be simple and reliable.
Yes. Aluminium frames are lighter than steel, making the bike easier to control, accelerate and carry.Compare the Best Junior Bikes 20 Inch Deals