Note that there is an actual sign up site that you have to complete registration on.
You have to fill it in, you don't have to actually pay until you get there.
http://bayareawheelers.miiduu.com/2015-labour-day-registration-60-at-the-gate
You have to fill it in, you don't have to actually pay until you get there.
http://bayareawheelers.miiduu.com/2015-labour-day-registration-60-at-the-gate