Bicycle Tag of bike

(It's not actually a Penrose tiling. No 5-fold local symmetry. It's mostly Hirschhorn tiles plus some extra stuff they added because they found that too restrictive. http://www.architecturetoday.co.uk/?p=9650)

Well, from the shot that shows more of the pattern, it's clearly not a PT as it's periodic. And it turns out that I can't count... I was sure I saw pentagrams on that the first time.... FAIL