Originally Posted by
sareybelle
Who are you, with your sensible solutions? Please run for Congress.
(Seriously, I'll see if I can run outside a little later because I don't know off the top of my head. )
Ha, not a chance you'd ever catch me running for office!
But PaulH's experienced recommendation sounds good to me, I think you should probably just go for the 7. Information can't hurt though, if you want to know more about the gear ratios you use/need.