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Modern replacement for Shimano CN-UG20?

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Modern replacement for Shimano CN-UG20?

Old 05-01-10, 10:51 AM
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Modern replacement for Shimano CN-UG20?

I just inherited a 1980s Miyata and it needs some tuning up. The chainrings and cogs look OK, but the chain itself needs replacing. Thanks to Google and folks who feed it, I'm almost certain the chain is a Shimano CN-UG20, but there are very few hits and I can't figure out what to replace it with. The drive train has 2 Biopace chainrings and a 6-speed freewheel.

Any suggestions about what to replace this chain with?

Thanks,
Jack
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Old 05-01-10, 12:25 PM
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A Shimano CN-HG40 would work fine, or any 8-speed Hyperglide chain for that matter. The Uniglide and HG chains are similar in shape, so shifting performance should be similar.
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Old 05-06-10, 05:19 PM
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Worked great!

Originally Posted by Torchy McFlux
A Shimano CN-HG40 would work fine, or any 8-speed Hyperglide chain for that matter. The Uniglide and HG chains are similar in shape, so shifting performance should be similar.
Thanks, the HG40 turns out to be a fine replacement!

Jack
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