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A 20 inch BMX bike is the size most riders pick once they pass around 145 cm in height.
A 20 inch BMX works for almost everyone who wants to ride freestyle. Kids who already outgrew smaller bikes, teens learning their first real tricks and adults returning to riding all use it with the same fun and comfort.
If you are looking for a model that is not showing on the site at the moment, just message us. If the distributor still has it in stock, we can try to bring it in for you.
And if you spot the same bike cheaper somewhere else, send us the link. We can talk about the price.
What BMX size matches your height?
Check your height, compare it with the chart below and match it with the wheel and frame size. A good fit helps you progress faster and makes every session feel smoother and more controlled.
| Height (cm) | BMX Wheel Size | BMX Frame Size TT |
|---|---|---|
| 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" |
| 183+ cm | 20" | 21" |
Total Killabee 20" BMX Bike | Teal 2021
€287.13
Regular price:
€413.56
WTP WeThePeople Curse 18" BMX Bike 2021 | Matt Black (1) (1) (1) (1)
€298.62
Regular price:
€528.51
Mafiabikes Kush2+ 20" BMX Bike | Brooks
€298.62
Regular price:
€402.07
Mafiabikes Kush2+ 20" BMX Bike | Hulk Green
€298.62
Regular price:
€402.07
Mafiabikes Kush2+ 20" BMX Bike | Justice
€298.62
Regular price:
€402.07
Mafiabikes SuperKush BMX Bike 20" | Peach
€379.08
Regular price:
€482.53
Radio Dice 20" Alu BMX Bike 2021 | Matt Black (1) (1) (1)
€344.60
Regular price:
€505.52
Radio Dice 20" Alu BMX Bike 2021 | Matt Black (1) (1) (1) (1)
€436.55
Regular price:
€689.43
WTP WeThePeople Curse 18" BMX Bike 2021 | Matt Black (1) (1) (1) (1)
€390.57
Regular price:
€528.51
WTP WeThePeople Curse 20" BMX Bike Freecoaster 2021 | Berry Blast
€413.56
Regular price:
€574.48
WTP WeThePeople Curse 20" BMX Bike Freecoaster 2021 | Berry Blast
€436.55
Regular price:
€574.48
Mafiabikes Kush2+ 20" BMX Bike | Grey
€333.10
Regular price:
€402.07
How to choose the right BMX bike size for your height
If you are unsure which frame size to choose it is better not to go too big. An oversized BMX makes it harder to control the bike and slows down your progress when you start learning tricks.
Here is a short guide to BMX frame sizes based on rider height.
Which BMX frame size fits your height?
- 19"–20.25" frame, suitable for riders 145–160 cm tall
- 20"–20.5" frame, suitable for riders 150–168 cm tall
- 20.25"–20.75" frame, suitable for riders 160–175 cm tall
- 20.75"–21" frame, suitable for riders 175–183 cm tall
- 21"+ frame, suitable for riders over 180 cm tall
FAQ, most common questions about 20 inch BMX bikes
What height is a 20 inch BMX bike suitable for?
A 20 inch BMX bike is the standard size in freestyle riding and usually suits riders from around 145 cm and taller. It works well for teens and adults as long as the frame length is matched to the rider’s height.
What is the best BMX bike for beginners?
A classic 20 inch freestyle BMX with a strong frame and simple single speed drivetrain is a good choice for beginners. Look for a size that matches the rider’s height and pay attention to solid parts such as cranks, wheels and handlebars.
What type of 20 inch BMX should I choose, freestyle, dirt or race?
Freestyle BMX is best for skateparks, street and everyday tricks. Dirt BMX is tuned for jumps and pumptracks. Race BMX is built for speed on a track and feels different from freestyle bikes, so choose based on where you plan to ride most often.
Is a 20 inch BMX frame suitable for adults?
A 20 inch BMX can be suitable for adults when the top tube length matches the rider’s height. Taller riders often feel best on frames around 20.75 to 21 inches because they offer more room and stability without losing the BMX feel.
What is top tube length and why does it matter?
The top tube is the horizontal tube on the frame and its length sets how long the bike feels. A longer top tube gives more stability for taller riders and ramp riding. Shorter frames feel more agile and suit technical street and park tricks.
Can I ride a 20 inch BMX bike around the city?
You can ride a 20 inch BMX in the city for short distances and fun sessions. The bike has a compact frame and no gears so it feels playful but less comfortable for long commutes compared to a city bike or MTB with gears.
Do 20 inch BMX bikes have brakes?
Most complete 20 inch freestyle BMX bikes are sold with a rear U brake because this is required in many places. Some riders later remove the brake for certain tricks but beginners and younger riders should keep the brake for control and safety.
Should I choose a chromoly or aluminum frame for a 20 inch BMX?
Chromoly steel frames are popular in freestyle because they are strong and handle repeated impacts well. Aluminum frames are lighter and more common in race BMX where weight and speed matter more than resistance to heavy street and park tricks.
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