A high school girl movie showing off bicycle acrobatics

A video of a German high school girl performing acrobatic bicycle riding at a school event.

It's quite a sight to see.
Crazy Bike - Google Video

The total length is 5 minutes 33 seconds. It appears to have been filmed in 2000 or 2001.

There is even an article about this on Wikipedia.

Kunstradfahren - Wikipedia

This is a similar competition held on July 15, 2006.

Texas Flatland Round Up July 15th, 2006 BMX Freestyle Flatland Contest, Amatures and Pros - Google Video

In the second half, some people will perform some amazing techniques.