Originally Posted by
Jeff Wills
Up until the '80's, it would have been 120mm. It might have gotten sprung at some point to put in a more modern wheel or maybe it just got bent. It's no big deal- just put the wheel in and ride it.
The reason for my question is, I have a 1974 Schwinn LE TOUR frameset and I want to build it back as a 10 speed if that's possible.