Swingarm brace aluminum extrusion

I just saw this post, so I may be too late, and this may not be what you looking for.

I even went to Japanese site but found pretty much the same info as the English page. Material is called 7N01. I'm not a specialist by any mean, so if you google Aluminum 7N01, you get couple hits, so you may be able to get something close?

Japanese page info. www.webike.net/sd/3461382/

Thanks mate,  yes, they used 7N01, there are a couple of Aluminium alloys that could be used...   It seems that those extrusions are ordered as custom orders...