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Maillard(?) pedals - which thread?

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Maillard(?) pedals - which thread?

Old 03-25-18, 07:01 PM
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madpogue 
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Maillard(?) pedals - which thread?

Picked up these pedals at a community bike shop yesterday, and I'm trying to nail down some ID info. No branding on them at all, except the Maillard logo dust caps. Not even a "Made in France" anywhere. I'd esp. like to find out if they're 9/16-20 or M14x1.25. I did thread one into a 9/16 arm, didn't bind, but felt very sloppy compared to other pedals I threaded into it. OTOH, the ends of the axles say L and R, not G and D. They had a pair of Paturaud Special toe clips, which I'm going to transfer to a pair of Lyotards that came on a DB/Centurion my wife picked up last week.

I don't have a 14mm arm to test them in. I reckon I'll run down to the hardware store and HOPE they have an M14x1.25 nut.

Design-wise, they look much like an Atom 600 (except for the dust caps) I saw on eBay. But all the Atoms I see have some 411 stamped on the axle housing. Nothing on these pedals. Anywhere (except the M caps).

Any clues?

Update - On the axle housing / main body, VERY faintly, it says "11 83", then "Made in France". I'm thinking these pedals got really pitted, and someone sanded them down to a clean surface, which nearly obliterated the stamped lettering.
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Old 03-25-18, 07:07 PM
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The inner end of the pedal axles will likely be marked either R & L or D & G. R & L is for "left and right", i.e. they are BSC/ISO thread. D & G is "droit & gauche", i.e. they are metric/french thread.
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Old 03-25-18, 09:37 PM
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Okay, I kinda suspected that, so thanks for the confirmation. As I said, they are L & R, so I think I'm okay wrt. the 9/16" cranks.

BTW, any W@G as to how much they're worth? Finish is "pretty good", as I said, I wouldn't be surprised if they've been buffed down. Axles are very smooth for the vintage. I'm guessing the 11 83 refers to month and year.
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Old 03-25-18, 09:55 PM
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By-the-way, these can be extremely durable pedals if kept lubed and adjusted. I have a pair from the lates 70s that are still going strong. they've been on a multitude of commuters, townies, etc.

Cheers,

Van
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Old 03-26-18, 06:30 AM
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D/G are found on pedals intended for 9/16 threading--they still show up like that occasionally (not talking about Maillard, like @juvela likely is, btw).

1 million expert opinions are worth exactly 1 (or 2) thread gauges: https://www.amazon.com/Grip-Thread-P.../dp/B004ROIU2A . It may seem like overkill for your pedal problem, but once you have one, you'll find yourself using it quite a bit.
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Old 03-26-18, 06:21 PM
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^^^^^ Excellent idea, and I can always use an excuse to acquire another tool....
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