-
Yes
Great!
Double check the shifter, it start on 2nd when you did the first click (I know you probably do know this, but just want to make sure we're on the same pages).
I think we are... When I'm at the end of the going up or down, I guess I'd be at the top or bottom of the cassette (1 or 8) then I can click 7 times, from 1 to 8 or from 8 to 1?
Would the RSX derailleur work? Or should I try to get a RX100 on eBay? There's a couple at the moment.
Yes.
Double check the shifter, it start on 2nd when you did the first click (I know you probably do know this, but just want to make sure we're on the same pages).