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Two Italian Freewheels

Old 06-06-21, 01:18 PM
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Two Italian Freewheels

Two freewheels. Both have been cleaned in solvent tank. Oiled but not opened nor regreased. Both spin very nicely. No grinding or sandy sounds. All cogs appear to be very good, tested/passed with Roholoff type cog checker. These both take a Park FR-4 type removal tool. Easy and reliable. Both English treaded, fit most bikes.

Each is $35 shipped USPS Priority flat rate box, CONUS.

Overseas shipping is unknown and worrisome.

#1 is Atom 5 spd, made in Italy. 14-17-20-24-28

#2 is Regina 6 spd, made in Italy. Almost corncob at 13-14-15-17-19-21

Please let me know if other photos are needed.




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Old 06-06-21, 01:39 PM
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Why did I think Atom was a French company...?
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Old 06-06-21, 03:56 PM
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Originally Posted by jdawginsc
Why did I think Atom was a French company...?
Clearly, in France, atoms *are* divisible.
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Old 06-06-21, 06:12 PM
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Originally Posted by jdawginsc
Why did I think Atom was a French company...?
Because it is French company. Most of the Atom freewheels I've seen do say "Made in France" albeit with a different, cursive script. I'm curious about this Italian Atom freewheel. Were some made in Italy too, perhaps under contract? Different ATOM company? The SICC and three horizontal lines to the left of the ATOM script are similar to what you see on a Regina freewheel from the era.

Last edited by gaucho777; 06-06-21 at 06:15 PM.
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Old 06-09-21, 11:21 AM
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As an aside, the threaded sprockets on an Atom (French or Italian) are interchangeable with Regina threaded sprockets. Generally speaking, the Regina sprockets have a nicer finish for polishing (ORO gold or nickel), while the Atom sprockets are often black (as pictured). IIRC, Atom licensed freewheel technology from Regina. I'm guessing Atom contracted Regina to make some of the Atom branded made in Italy freewheels.

The Regina Todd pictured is a newer version with the two largest and 2nd and 3rd smallest sprockets splined, and the smallest and 4th sprockets threaded. These newer threaded Regina sprockets are not compatible with the older Regina or Atom freewheel bodies.
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Old 02-25-22, 05:00 PM
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Seasonal bump (winter project season)
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Old 02-25-22, 05:14 PM
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That Atom freewheel was manufactured by Regina

Regina also made freewheels that were grey in color = Corsa model

There is a very amusing story about the 'quality control' at the Regina factory where grey colored Corsa freewheels and gold dichromate colored Oro freewheels were assembled

Smallest cog on freewheel #1 has wear on the small cog that may be problematic = chain skipping

Freewheel #2 shows wear across across all cogs ( except the smallest cog )

Buyer will have to ride them to prove them ....if they experience 'chain skip' = oh well ....try again ....or, pair it with an appropriately worn chain
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Old 02-26-22, 11:43 AM
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Originally Posted by TPL
Smallest cog on freewheel #1 has wear on the small cog that may be problematic = chain skipping

Freewheel #2 shows wear across across all cogs ( except the smallest cog )

Buyer will have to ride them to prove them ....if they experience 'chain skip' = oh well ....try again ....or, pair it with an appropriately worn chain
I appreciate your interest and expertise. You have much more experience than I. I will admit that, except in extreme cases, I cannot visually (live or via photos) tell the amount of wear on cog teeth. So I use a Rohloff Chain Checker to check cog wear. I have considerable experience with it. I’ve measured each cog on each FW and the checker does not indicate any widening of any gullets/narrowing of any teeth. These two may be just fine as well as being suitable for particular restorations.

It’s also been my observation that the smallest cog and the largest cog are rarely much worn. It’s the middle cogs, where people spend most of their time, that show wear first and terminate a FW. But you are correct: these are used FWs and there is always risk with used components.
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