Nathan Pinhead wrote:
In article , says...


Why do cyclists do these things? Is a deliberate ploy to wind up
drivers?

If you want the honest, short answer then that answer is yes.

I always found that when I drove a battered out company Ford Transit
diesel van with 180000 miles on the clock that the best response was
always to give them a wide berth whilst overtaking and then once forty
feet or so in front of them to depress the clutch and simultaneously
floor the accelerator for three or four seconds.

It never failed to provoke gesticulations with their arms for some
reason........I think, to be honest I couldn't fully be sure because
they were surrounded in carcinogenic black fumes.

this is actually a common sport in the USA, just do a youtube search for
some examples, such as:

http://www.youtube.com/watch?v=5JkvGS6sdKQ