| I've been using 180/55 on my 6" Mag, mainly because I ended up with a part worn stock of Rennsports and Super Corsa from running the R6 at the 2003 TT.
As I have no issues with them I can't see the need to try a 190 and if I was going to it would probably be a 190/55 as suggested by Keefer. | 
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