I forget which thread we referred to this on - not long ago - but the guy has made some alterations, including correctly ascribing the R9 frame to being alloy!
So you can take a peek and maybe keep for reference - here is the link to said image.
http://www.thehighroad.org/attachment.php?attachmentid=23523~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Oops sorry - link was to a thumbnail - I have corrected that and also in fact the guy who made this has made one more small addition. So this is currently the latest version.
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