No way, wheels from Moonglu! My brother and I bought all our kit from there in the 90's, when it was Mark, as Blossomgate Cycles. Neil certainly does know his stuff!
It seems we look at similar kit. I found that Nitto bar a bit ago and really considered it for my Explosif project... I still am!
I also wondered about bar extensions (although I'm dubious of doing such a thing) and also found the Control Tech product above... I reckon though, since the amount they insert into the bar, is about twice the diameter of them, then when you've fitted a decent lock on(?) grip. Should be golden eh?
I like the amount of silver you've got going on btw. My mate has just done a build with a lot of silver kit on a Bone-white coloured frame. Looks incredible!