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The ATOM 77 freewheel carries a 14-tooth smallest cog and a 28-tooth largest, giving the rider a useful spread for rolling roads. Five speeds and a steel body keep the unit in line with original equipment from the period. No oxidation is present on this example.
Each of the five sprockets is machined for engagement with a standard chain. The 14-28 progression was a common choice for riders who needed a low gear without sacrificing top-end pace. This freewheel is identified as a five-speed (5 V), making it suitable for classic drivetrains.
For comparison, a Maillard 14-26 5-Speed Freewheel from 1977 offers a slightly narrower range. If your build calls for a taller top gear, the 1980 MAILLARD SUPER 700 13-28 is another period option.
The photos accompanying this listing are part of the description and should be reviewed for condition. This freewheel shows only the minor cosmetic marks consistent with storage.
The freewheel has a 14-tooth smallest cog and a 28-tooth largest cog across its five sprockets.
This freewheel is made from steel, as noted in the specifications.
No oxidation is listed for this particular example. Only minor cosmetic storage marks may be present.
The country of origin listed is France.
This is a five-speed freewheel, identified as 5 V in the specifications.
Data sheet
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