Since all Keirin bicycles are, by regulation, more or less identical, the porn thread would have sufficient of them if only one had ever been posted :-)
The other side of this argument is that there is something aesthetically pleasing about seeing identically specc'd machines neatly lined up, if you consider bike p0rn to be about composition as well as the subject.
Since all Keirin bicycles are, by regulation, more or less identical, the porn thread would have sufficient of them if only one had ever been posted :-)