Originally Posted by
delbiker1
I am not sure, and some one will correct if I am wrong, but I believe going from a 3 FD to a 2 FD the chain line will have to be corrected. That would be when installing the BB. Please anyone, right or wrong?
It would be a good practice to check, certainly. However, if the new double crank and bottom bracket are designed to go together, it’s pretty likely that the chainline will be good as installed.