The 5th bolt might need non-standard spacers/shims, and the pick-up pins on the outer will be out of phase. Are you just looking for some 53/39 UT rings? I have plenty in my parts bin.
Yeah, I am, thought that might be a cheap source. Need a new cassette and figure I might as well replace chainrings as they're a couple of years old.
@umop3pisdn started
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The 5th bolt might need non-standard spacers/shims, and the pick-up pins on the outer will be out of phase. Are you just looking for some 53/39 UT rings? I have plenty in my parts bin.