Originally Posted by
mountaindave
I kind of feel like this is my first go around with my Trek too. I bought the frame specifically to build up as an allroad-ish bike last year. I don't have things set up permanently, especially the wiring. I want to experiment and be sure it fits well. I've read a few threads on dimpling chainstays, (I think gugie had one too?) but want to be more than 80% sure I want to do something irreversible. I also need to practice on a few scrap frames first.

Why do you think you might want to dimple the chain stays? Aren't you running 650b x 38mm tires without any trouble on your 1979 Trek 710?