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The 1983 Maillard Course freewheel is a French-thread 6-speed block with a 16-tooth high gear and a 26-tooth low gear. The spacing is built around the 34.7 x 100 thread used on classic French hubs, so it threads on with no adaptor. The body and sprockets are steel, and the listed condition shows no oxidation. Photos form part of the description.
The 16-26 spread gives you a tight cluster for rolling terrain while keeping a usable low gear for longer climbs. Maillard built these Course blocks as honest working equipment rather than lightweight exotica, which is why so many have survived into the 1980s and beyond. The six sprockets shift with a predictable, mechanical feel that suits friction levers or early indexed systems.
If you are running a Maillard course block from the same period, compare this with the 1981 14-25 version or the 1980 13-23 MAILLARD COURSE 6-Speed Freewheel 13-23T 1980. The 16-26 sits closer to a touring ratio than those tighter racing clusters, which makes it a useful bridge between road and loaded riding.
A 7-speed option like the MAILLARD SACHS COURSE 1991 7-Speed moves the build into the early 1990s, but this 1983 six-speed keeps the drivetrain firmly in the classic French 100 mm world.
It uses the French thread standard 34.7 x 100, which is common on classic French hubs from the 1970s and 1980s.
The sprocket range is 16-26 teeth. The smallest cog is 16T and the largest is 26T, spread across six speeds.
Yes, the listed material is steel. The part is also listed as having no oxidation.
The freewheel dates from 1983, as indicated in the product listing.
The 16-26 spread gives a slightly easier low gear than tighter 13-23 racing blocks, making it workable for mixed terrain while still keeping a close ratio feel.
Data sheet
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