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Old 03-20-16 | 06:42 PM
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3alarmer
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...you can probably find a crown race that will work, but that will not be "any" of them. The reason involves a number of factors that make it generally a poor practice to mix headset parts. I don't really want to try to elucidate all of them, but I've certainly done it myself on occasion with satisfactory results.

If you picture a crown race and the bearing cup that accompanies it, then redraw the curve on one, or look at a couple of headsets and mix and match the parts to see how the cup overlap can differ with one race or another, you'll begin to see some of the issues. Can be done, but it's usually easier to just buy the entire correctly sized headset you need, and it often works better.
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