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@colm
it needs a 103mm JIS for 42mm chainline
Shimano UN54 in 107mm JIS Italian 70mm
http://www.chainreactioncycles.com/Models.aspx?ModelID=17473
with a 1mm spacer for your hubs fixed cog threads it should give you a 43mm chainline which is close enough. the 2.5mm spacer wont leave enough threads to safely secure the lockring
http://www.chainreactioncycles.com/Models.aspx?ModelID=36416
130mm sounds way off unless you are using a converted disc hub with spacers, the extra 2mm shell width doesnt make any difference