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new chain for Regina Extra 7 freewheel

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new chain for Regina Extra 7 freewheel

Old 06-02-15, 09:25 AM
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new chain for Regina Extra 7 freewheel

Greets! Got this bike with a Campy Synchro 2 index DT shifter. I don't have a ready access to a correct Regina chain for the Regina 7 speed freewheel (Italian thread hub). Shimano chains are a plenty, and pretty much affordable. Can I use the Shimano IG or HG chain? Any one has experiences on this, which one to use for the time being? Actually I'm a cheapskate , so i dont mind not being period correct. The chain really needs changing ASAP, just measured with a ruler. pin to pin..its 12" and 1/16" - it is stretched!. BTW, I'm using a first gen Chorus gruppo and just kept the bike running, enjoying it unrestored.
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Old 06-02-15, 09:37 AM
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Any 8 speed chain will work. I like KMC or Sram. Both easy to come by.
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Old 06-02-15, 09:51 AM
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Great! If that is the case I'll get a KMC, instead.
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Old 06-02-15, 09:56 AM
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Yes the KMC 7/8 spd chains work nicely on these and can be brought nearly any place that sells bike parts 10-15$. The srams are little nicer chain and slightly better match to the original but will cost you nearly twice as much.
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Old 06-02-15, 10:09 AM
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Would check the SRAM too, thanks. Both that and KMC, would be on my shopping list tomorrow. Now, to find that small barrel adjuster replacement for the early Chorus derailleur. Its smaller than the usual M5 barrel adjuster - it's an M4 threaded.
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Old 06-02-15, 03:06 PM
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I replaced my Regina 7s Synchro-spaced freewheel with 7s Sunrace in order to have a larger 25t cog, but the indexing was now pretty badly off using the early-90's Sachs 8s chain.

I then switched to a 9s Shimano chain, and believe it or not the narrower chain corrected the indexing issue, such that I now have much better shifting than I ever did even with the proper Synchro-spaced freewheel(!).

I never tried the 9s chain on the Regina 7s freewheel, but it sure makes the indexing more forgiving using the SIS-spaced Sunrace freewheel, and works fine with the Xenon 8s crankset while improving clearance at the front derailer cage (I never have to trim any more).

SRAM chains of the "-50" series and higher, as well as KMC X-series chains, are both really long-wearing chains in my experience. Race-grade stuff.
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Old 06-02-15, 10:19 PM
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Good info dddd. Was about to ask if 9speed chains are doable too. The Regina Extra 7speed freewheel are 5mm spaced. A narrower chain might work too. Actually my shifting isn't 100% efficient to begin with it is a Synchro 2 thing (?).
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