What BMX frame size do I need?
When it comes to BMX riding, the frame is the heart of the bike. The frame determines the size, weight and performance of the BMX bike. There are several types of BMX frames on the market, but each has its own advantages and disadvantages.
It is important to choose the correct top tube length to ensure a comfortable and controlled position on the bike. A longer top tube length provides more stability and control, while a shorter top tube length allows for a tighter position and more maneuverability.
An important criterion when choosing a BMX frame is the material. Most BMX frames are made of aluminum or chromoly steel. Aluminum frames are lighter and therefore easier to maneuver, while chromoly steel frames are sturdier and more durable.
Another important feature of BMX frames is the geometry. The geometry of the frame affects how the BMX bike rides and can vary depending on your riding style. Some BMX frames have flatter geometry that is more suited for street and park riding, while others have steeper geometry that is better suited for racing and trail riding.
A good BMX frame should also have a strong and sturdy construction to withstand impacts and stresses. Most frames come with reinforcements in key places to increase durability.
When buying a BMX frame, you should also consider compatibility with other components, such as the size of the head tube, the width of the bottom bracket, and the type of seatpost diameter. If you already have certain components, make sure the frame is compatible with those components. Overall, the BMX frame is a crucial element in putting together a BMX bike.
Top tube length for BMX bikes
Top tube length is an important factor in choosing the right BMX bike. The top tube length affects the rider's position on the bike, and therefore the control and handling.
Some of the common top tube lengths for BMX bikes are:
- 16 Inch top tube length: this size is best for kids and younger riders. In fact, 16 inch BMX models often use a 15.85" top tube to make it as easy as possible for kids to get started in the BMX world.
- 18 Inch Top Tube Length: This size is best suited for younger riders and those who prefer a smaller frame size. It offers a shorter distance between the handlebars and the saddle, allowing for a tighter position and more control.
- 19 Inch Top Tube Length: This size is a good choice for smaller adults and teens who need a medium frame size. The longer top tube length allows for a slightly more upright riding position and more stability.
- 20 Inch top tube length: This is the standard top tube length on most 20 inch BMX bikes. It provides a good balance between agility and control and is suitable for most BMX riders. The standard measurement for 20 inch BMX bikes here is 20.6".
- 21 Inch Top Tube Length: This size is best suited for taller adults who require a longer distance between handlebars and saddle and prefer a more stretched riding position.
- 22 Inch Top Tube Length: This size is best suited for very tall adults who prefer a stretched riding position and require a greater distance between the handlebars and saddle.