Why are BMX Bikes so Small?

BMX Bikes so SmallBMX bikes are small and low because if the seat is low its easier to use your shoes or your feet as a brake by pressing or squealing it behind the saddle against the tire. When you are riding a brakeless BMX. If the seat is low, you can use your feet as a brake by squealing it against the ground when your bmx is brakeless. If You don’t, it’s just the cool style of a “brakeless”.

And also BMX Bikes are built for speed, because all the pedaling is done standing up and saddle is made of one material only.