One comment on “Jenson Button in the McLaren-Mercedes MP4-25”

  1. Can someone please explain to me what that thing is sticking out directly behind th front wheel? It looks like a little winglet on 2 struts and its gotten me curious about waht it is/does? I have a feeling its got something to do with measuring how cleanly the air is circulated around the front tire by the front wing but thats just a guess and not a very educated one.

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