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SFR Venture Pro Inline Skates | Black
SFR Venture Pro Inline Skates | Black

399,00 zł

Regular price: 419,00 zł

Lowest price: 419,00 zł
Root Air HIC SCS Stunt Scooter Fork | Rocket Fuel
Root Air HIC SCS Stunt Scooter Fork | Rocket Fuel

339,95 zł

Regular price: 399,00 zł

Lowest price: 339,95 zł
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Speed Demons skateboard bearings 8-pak | Disco
Speed Demons skateboard bearings 8-pak | Disco

58,65 zł

Regular price: 69,00 zł

Lowest price: 69,00 zł
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Ethic Merrow V3 SCS Stunt Scooter Fork | Raw
Ethic Merrow V3 SCS Stunt Scooter Fork | Raw

369,00 zł

Regular price: 419,00 zł

Lowest price: 369,00 zł
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Slamm Swirl Hollow 110mm stunt scooter wheels | Black White
Slamm Swirl Hollow 110mm stunt scooter wheels | Black White

218,99 zł

Regular price: 249,00 zł

Lowest price: 249,00 zł
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SFR Pulsar Kids Adjustable Inline Skates | Blue
SFR Pulsar Kids Adjustable Inline Skates | Blue

269,00 zł

Regular price: 289,00 zł

Lowest price: 289,00 zł
Heelys Classic Shoes With Wheels | Pink Cyan
Heelys Classic Shoes With Wheels | Pink Cyan

279,00 zł

Regular price: 319,00 zł

Lowest price: 279,00 zł
Madd Gear Metro Cruiser 250 Foldable City Scooter | Black Grey
Madd Gear Metro Cruiser 250 Foldable City Scooter | Black Grey

359,00 zł

Regular price: 389,00 zł

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18-inch BMX bikes for children around 135–150 cm tall

An 18-inch BMX typically suits children aged around 6–13, but height and fit matter more than age.

A first BMX, a birthday present or a First Holy Communion gift

An 18-inch BMX is a popular choice for a first BMX and is often bought as a birthday or First Holy Communion gift.

Interested in a model that isn’t currently available on our website? Get in touch. If our distributor has it in stock, we can order it for you.

BMX 18"

BMX SIBMX Duvel 18" BMX BIke | Metallic Blue

BMX SIBMX Duvel 18" BMX BIke | Metallic Blue
BMX SIBMX Duvel 18" BMX BIke | Metallic Blue

Availability: In stock (ready for dispatch)

Dispatched within: 24 hours

Price:

1 799,00 zł

incl. 23% TAX, excl. shipping costs
pcs.

Radio Saiko 18" BMX Bike 2021 | Metallic Purple

Radio Saiko 18" BMX Bike 2021 | Metallic Purple
Radio Saiko 18" BMX Bike 2021 | Metallic Purple

Availability: In stock (ready for dispatch)

Dispatched within: 24 hours

Price:

2 299,00 zł

incl. 23% TAX, excl. shipping costs
pcs.

18-inch BMX size guide

Rider height(approx.)Wheel size(inches)Top tube TT(inches)
135–150 cm18″18″

Based on RMDBike’s experience and feedback from hundreds of young riders and parents choosing their first BMX.

TT means top tube length. Use the table as a starting point, then check the geometry and sizing advice for the model you choose.

Shop 18-inch BMX bikes at RMDBike

Explore our range of 18-inch BMX bikes from established BMX brands, available in a choice of colours at competitive prices.

An 18-inch BMX is worth considering for younger riders who find a 20-inch BMX too large. Smaller wheels and a more compact frame can make the bike easier for a smaller rider to handle when learning basic tricks and manoeuvres. Weight and handling also depend on the model’s geometry and components.

If your child is just getting into BMX, choosing a bike that fits can help them feel more comfortable and in control.

Who is an 18-inch BMX for?

Whether you’re learning your first tricks or improving the skills you already have, our 18-inch BMX range gives younger riders a choice of bikes for getting more out of their riding.

Find an 18-inch BMX for learning tricks

Before you order, read our Important Information Before Buying and Riding a BMX Bike for guidance on assembly, the initial service, maintenance and riding safety.

FAQ: 18-inch BMX bikes for children

Will an 18-inch BMX fit my child?

An 18-inch BMX typically suits riders around 135–150 cm tall. If your child is between sizes, use their height, inside leg measurement and the bike’s fit rather than age alone.

How do I choose between an 18-inch and a 20-inch BMX?

An 18-inch BMX has smaller wheels and usually a more compact frame, which can make it easier for a smaller rider to handle. A 20-inch BMX is the standard size for older and taller riders, although frame lengths vary. Compare the fit and weight of the actual models you’re considering.

Can you learn tricks on an 18-inch BMX?

Yes. An 18-inch freestyle BMX is a proper trick bike, with a smaller size for younger riders. You can use it to learn bunny hops, manuals and your first skatepark tricks, as well as ride a pump track, within the model’s intended use.

Does my child really need a helmet?

A properly fitted helmet is essential riding equipment. Knee and elbow pads are also worth considering when learning tricks, especially when starting out.

Why do 18-inch BMX bikes use a single-speed drivetrain?

Freestyle BMX bikes use one gear to keep the drivetrain simple and robust. There’s no derailleur to catch on obstacles or get damaged during tricks, jumps or falls.

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