On my 'bents I find that having the front mech set to overshift when dropping the bottom chainring makes the shift clean but I also then need to use a chain catcher to prevent chain dump. The reason for this is I'm going from a 42t to a 24t bottom chainring.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.