"World Naked Bike Ride
Those of you who harbour a secret desire to ride naked through the streets of the capital will be encouraged to learn that the London’s part in this year’s World Naked Bike Ride has the approval of the Metropolitan Police. This year organisers anticipate well over 1,000 riders. 3pm Saturday 9th June. http://worldnakedbikeride.org/uk.
Taken from CTC news email but my brother alerted me to the Brighton one (I think he moved to Brighton for the beach... )
And no, I am not doing either