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If you want a BMX that feels right from day one, start with the size that actually fits your height.
A good size gives you control and confidence. It also makes learning tricks easier and more fun. In our store you will find BMX bikes for kids, beginners and riders who already know what they want.
If this is your first freestyle bike, size matters more than colour or brand. A wrong fit can make the bike feel heavy and hard to control. The right one feels natural from the first ride.
How do I choose the right BMX size?
The simplest way is to match the rider’s height with the recommended wheel and frame size. Forget age charts, height is what really works. Check the BMX size chart below and pick the range that fits you. No guessing needed.
| Height (cm) +/- | BMX Wheel Size (inches) | BMX Frame Size (inches) |
|---|---|---|
| 90–110 cm | 12" | 12" |
| 110–125 cm | 14" | 14" |
| 120–135 cm | 16" | 15"–16" |
| 135–150 cm | 18" | 18" |
| 145–160 cm | 20" | 19.5"–20.25" |
| 150–168 cm | 20" | 20"–20.5" |
| 160–175 cm | 20" | 20.25"–20.75" |
| 175–183 cm | 20" | 20.75"–21" |
| 180+ cm | 20" | 21" |
Based on RMDBike’s experience and sales data from thousands of BMX bikes fitted for riders of different ages and heights.
Still not sure which BMX size is right for your child?
If you are unsure about the size, contact us by email or phone and we will help you match the right BMX to the rider’s height and style of riding.
Mafiabikes Kush2+ 20" BMX Bike | Justice
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Mafiabikes SuperKush BMX Bike 20" | Peach
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
SE Bikes Gaudium 20" BMX Bike | Red Fox
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Verde Cadet 20" BMX Bike | Matt Black
Availability:
Last item (ready for dispatch)
Dispatched within: 24 hours
WTP WeThePeople Curse 18" BMX Bike 2021 | Matt Black
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Mafiabikes Kush2+ 20" BMX Bike | Blue
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Mafiabikes Kush2+ 20" BMX Bike | Brooks
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Mafiabikes Kush2+ 20" BMX Bike | Hulk Green
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Mafiabikes Kush2+ 20" BMX Bike | Pink
Availability: In stock (ready for dispatch)
Dispatched within: 24 hours
Radio Darko 20" BMX Bike | Magic Purple
Availability:
Last item (ready for dispatch)
Dispatched within: 24 hours
Radio Revo Pro 20" BMX Bike | Graphite Silver
Availability:
Last item (ready for dispatch)
Dispatched within: 24 hours
Radio Saiko 20" BMX Bike | Metallic Purple
Availability:
Last item (ready for dispatch)
Dispatched within: 24 hours
Our BMX shop offers a wide selection of BMX bikes for kids and adults
We stock bikes from trusted brands such as Mafiabikes, Radio Bikes, Stolen, Total BMX and WeThePeople. Riders choose these brands because the geometry, frames and components are made for real freestyle riding.
BMX bikes with good specs and fair prices
You will find affordable BMX bikes here along with easy payment options like online transfers and 0 percent installments. Shipping in Poland is always fast and free, which helps you get on the bike without waiting.
At RMDBike we try to match every rider with the right bike. If you cannot find the model you want in our current selection you can call or message us and we will check availability with our suppliers.
Returns are available for up to 365 days, which gives you enough time to test your BMX and make sure it fits your style of riding.
BMX bikes from proven brands used by riders worldwide
We focus on BMX bikes with a strong price to spec ratio. Many parents struggle to find a good and safe BMX bike for kids, so we make it simple with fast delivery in 24h*. Every bike is new, covered by warranty and ready for freestyle riding.
Support a Polish online BMX shop and enjoy your new bike at your skatepark, dirt jump spot or in the city.
Freestyle BMX is the most popular category at RMDBike. Sizes like 20 inch and 18 inch are chosen most often because they give a good mix of control and comfort. A strong bike with the right geometry builds confidence and helps you progress faster.
If you want to start learning BMX tricks this is the right place to begin.
Key info before you start riding your BMX bike
A BMX bike is built for spins, jumps and landings, which means every session puts stress on the frame, fork and wheels. These bikes are strong, but not indestructible. Regular checks and basic maintenance help keep your setup safe and ready for riding.
Before you hop on your new BMX remember
- Read the user manual and warranty to understand the rules that apply to freestyle bikes.
- Bikes ordered online come mostly assembled for safe transport. You attach the pedals, handlebars and sometimes the front wheel.
- The manufacturer recommends a first service check, also called zero service, at a certified bike workshop. This keeps the warranty valid.
- Keep the service receipt because it is required for warranty confirmation.
Take care of your BMX and it will stay ready for many sessions full of progress and good energy.
Want to know the history of BMX bikes? Read more here
Ride safe. Add a skate helmet and protective gear when you buy a BMX.
FAQ – Most common questions when choosing a BMX bike
What size BMX should I choose for my height?
The right size gives you better control and more comfort when learning new tricks. Use the size chart on the page and match your height to the recommended wheel and frame size. Height is more important than age.
Do BMX bikes come with brakes or brakeless setups?
Most BMX bikes arrive with at least one rear brake because this is required in many countries. Some advanced riders remove the brake for tricks, but beginners and young riders should keep the brake for safety and control.
Is a BMX good for everyday riding or only for tricks?
A BMX is designed for freestyle, which makes it strong and compact for park and street sessions. Many riders also use it for short everyday rides. For long distances a city bike or MTB is usually more comfortable.
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