Found on another website:

CRITICAL MASS

The last Friday of every month, we meet at the big fountain in Balboa Park at 7:00 PM and ride bicycles through the streets of San Diego, providing motorists, as well as ourselves, with a vision of how things could be different. It's a celebration of cycling! Bring your friends; meet new friends. dress casual and ride whatever beat up bike you want. come on San Diego, show you have some bike culture!!!

http://sandiego.craigslist.org/bik/121008987.html

That is all!

Howeler