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Yes, I set up a pair of CX50 on my girlfriend's old Van Tuyl cross bike. You can see them on it here https://www.lfgss.com/conversations/295582/#comment13331050
They have long washers on the brake bolts, so remove those and fit smaller ones and they are a wider spread apart than regular cantis
I'm sure it's not technically recommended, but it does work in my experience
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I'm sure it's not technically recommended, but it does work in my experience
The CX70s come with different lengths of spacer, so actually technically recommended.
Shimano tech doc here has a table showing which spacer correlates to which rim width and boss spacing.
Have you got any experience with this? Looked at their tech doc and mine are more narrow than they recommend.