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Cinelli Mod. 66 bar puzzle

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Cinelli Mod. 66 bar puzzle

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Old 03-04-24, 03:29 PM
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Cinelli Mod. 66 bar puzzle

I've been riding Cinelli 66-38s for the past 40+ years. The 5 road bikes I currently have all sport those bars. Four of the five bars look exactly the same. The fifth seems to have less drop than the other four. See pic. Both bars are clearly labeled 66-38, Campion del Mondo and have the flying C logo. Any ideas why the one on the right has less drop?

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Old 03-04-24, 04:03 PM
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https://hilarystone.com/handlebars.html

If the ones on the right have a groove, it looks like they may have less severe drop, maybe.

Yes I see that the groove isn't being used if it has it.

These look like 65's from here.

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Old 03-04-24, 04:18 PM
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No grooves on either bar. Both are 26.4 dia,
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Old 03-04-24, 04:21 PM
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Originally Posted by gearbasher
No grooves on either bar. Both are 26.4 dia,
Well then, I got nuthin, hopefully greater minds will come along.
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Old 03-04-24, 04:27 PM
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Originally Posted by gearbasher
Any ideas why the one on the right has less drop?
Cold weather?
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Old 03-04-24, 04:34 PM
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Originally Posted by merziac
Well then, I got nuthin, hopefully greater minds will come along.
I don't need a great mind. Because my walnut sized brain and old eyes are at fault. Thanks for the Hillary Stone link. The 63s are also stamped Campione del Mondo. So, with a 7x jeweler's loupe, the clear 66-38 stamp was actually a poor 63-38 stamp. I can sleep, now.
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Old 03-04-24, 04:36 PM
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The 63 bend is also a CdM marked but has less drop.
came in 38 and 40.
same basic appearance.
that bar has been my choice since 1975.
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Old 03-04-24, 04:44 PM
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Originally Posted by gearbasher
I don't need a great mind. Because my walnut sized brain and old eyes are at fault. Thanks for the Hillary Stone link. The 63s are also stamped Campione del Mondo. So, with a 7x jeweler's loupe, the clear 66-38 stamp was actually a poor 63-38 stamp. I can sleep, now.
You're welcome, long and winding road, blind squirrel and all that.

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Old 03-04-24, 04:46 PM
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Did you measure them? Even using a ruler on my screen shows the drops pretty much equal.
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