why not use either the shimano or the microshift indexed (unless you have the suntour in hand) I put a set of the durace 9speed on a bike and it was the easiest indexing shifter set up I have ever done.... (found out I didn't like bar ends after all but that is another story)
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Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)