A week of festivities is in store, starting tomorrow, in honor of Critical Mass, the monthly bike ride around San Francisco that is 20 years old.

Mission-centric activities include an art exhibit on Monday night, a  film screening on Tuesday night, bike polo on Thursday night and another film screening on Friday night.

A full list of events can be found here.

And look for Mission Loc@l transportation reporter Talal Ansari’s coverage this coming week.