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A friend gave me his Merckx with 10speed Record on it today. The bike maybe has 2k miles on it.

The chain doesn't quite mesh with the 39tooth chainring when you shift from the 53 to the 39. I've messed with limit screws (both all the way out..), adjusted cable tension, and it's a bit better now. Noted that the cage isn't parallel to the chainring, tho didn't have tools to remedy that or a scale or calipers to check chain length.

Any ideas?
 
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