The hiccup here is his double is really more of a triple with the middle ring removed; lifting a chain from 28t to 46 is a big climb. I'm not sure a double is going to cover this, but I agree lowering the derailer is a good idea.
On Thursday, February 23, 2023 at 5:52:25 PM UTC-8 Nick Payne wrote: > Your FD needs to be lowered a fair bit. At the point of closest approach, > there should be only about 2mm clearance between the top of the chainring > teeth and the outside derailleur cage as it passes over the teeth. I have > doubts about the experience of your "experience" mechanic if he positioned > the FD where your photo shows it. Making that change will mean that the > cage won't have to move so far outboard to get the chain onto the big ring. > And if you're only using two chainrings, fitting an FD intended for a > double rather than a triple would also improve things. The sculpting of the > cage on a triple FD is intended for use with chainrings where there is a > reasonably large jump in the number of teeth between the granny and middle > chainrings, and a considerably smaller jump between the middle and outer > chainrings. > > Nick Payne > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/10fb423e-0cbc-4088-a95f-df59b61ceec5n%40googlegroups.com.
