Slow bicycle race is one of the popular traditional Indonesian independence day.
The participants prepared with each bike in the beginning of the line and raced to reach the finish line in each lane. However, different from and opposed to racing bikes, slow bikes winner is the most recent participants reach the finish line.
Since the bike only has two wheels, the slower bike dikayuh, increasingly difficult to maintain balance, and if participants can not balance the bike (fall or one of his feet touch the road), participants would otherwise fall.
Source : http://id.wikipedia.org/wiki/Sepeda_lambat