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Lyotard Pedal Threading

Old 05-15-17, 08:27 AM
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Lyotard Pedal Threading

I got a bunch of NOS Lyotard pedals at an auction. I know they were made in France, but there are not markings on the box or pedals regarding the threading. Would you assume then that they have French threading? Sorry if this is a silly question. I doubt I have any French cranks to check. Don't really want to just try them on my Campy as I don't want to hurt the threading on either. Thanks - Chris
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Old 05-15-17, 09:09 AM
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Originally Posted by crandress
I got a bunch of NOS Lyotard pedals at an auction. I know they were made in France, but there are not markings on the box or pedals regarding the threading. Would you assume then that they have French threading? Sorry if this is a silly question. I doubt I have any French cranks to check. Don't really want to just try them on my Campy as I don't want to hurt the threading on either. Thanks - Chris

Just because they're made in France doesn't mean they're French threaded--depending on the time period, many or most French-made pedals used standard 9/16" threading.

But go ahead and try them in any 9/16 crank you have--it won't hurt your Campy crank to try it. If they're 9/16 threaded they'll just go right in, since they'll be the proper size. If they thread right in but are obviously loose and wobbly, you'll know they use French threading, 14x1.25mm. It won't hurt the pedal spindle or the crank to test-fit them together like that, provided that you don't ride the mis-fitting components.

And if they are French threaded (or some of them, at least), please send me a pm, because I'm in need of a set or two of French-threaded pedals.
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Old 05-15-17, 09:21 AM
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Typically, if pedals are French manufacture and thread, they will be marked with G (gauche = left) and D (droit = right) and may have 14 x 1.25 stamped on them. If they are English thread, they will typically be stamped L & R, and also have 9/16 x 20 stamped on them.

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Old 05-15-17, 10:02 AM
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Originally Posted by jonwvara
Just because they're made in France doesn't mean they're French threaded--depending on the time period, many or most French-made pedals used standard 9/16" threading.

But go ahead and try them in any 9/16 crank you have--it won't hurt your Campy crank to try it. If they're 9/16 threaded they'll just go right in, since they'll be the proper size. If they thread right in but are obviously loose and wobbly, you'll know they use French threading, 14x1.25mm. It won't hurt the pedal spindle or the crank to test-fit them together like that, provided that you don't ride the mis-fitting components.

And if they are French threaded (or some of them, at least), please send me a pm, because I'm in need of a set or two of French-threaded pedals.
Thank you! I will try them and see. There are a bunch, and not all the same, so if there are any French threaded ones, I will shoot you a PM. Give me a day or two as I have a couple non-bike projects going too.
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Old 05-15-17, 10:03 AM
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Originally Posted by T-Mar
Typically, if pedals are French manufacture and thread, they will be marked with G (gauche = left) and D (droit = right) and may have 14 x 1.25 stamped on them. If they are English thread, they will typically be stamped L & R, and also have 9/16 x 20 stamped on them.
I will have to look again, but I believe they were marked (at least the pair I checked) R and L, but there was definitely no 9/16x20 or 14x1.25 stamped on them, which is what I look for.
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Old 05-15-17, 10:06 AM
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I have Lyotard [460D] pedals in 9/16" .. French is 14mm.. Thanks to Napoleon and that metric system of his.
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Old 05-15-17, 10:13 AM
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FYI in the 70s to early 80s, Lyotards were often sold as inexpensive replacement pedals. We usually had a box full of them at my LBS. (or Unions) It was common to see them in both English and French threads.
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Old 05-15-17, 11:59 AM
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These are almost all platform pedals, with a few exceptions. I think the boxed ones are all marked 460A. The prize of the box was a set of NOS Campy pedals, which was the main reason I bid on it. The rest was filled mainly with the Lyotard pedals and a bunch of pedal clips, unused.
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Old 05-15-17, 01:27 PM
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The no. 23 Berthet platform pedals are prizes too.
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Old 05-15-17, 02:00 PM
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Originally Posted by crandress
These are almost all platform pedals, with a few exceptions. I think the boxed ones are all marked 460A. The prize of the box was a set of NOS Campy pedals, which was the main reason I bid on it. The rest was filled mainly with the Lyotard pedals and a bunch of pedal clips, unused.
The 460A pedals are the steel version of the 460 model. I'm pretty sure the "A" stands for "acier," or "steel." The aluminum version was the 460D, for "dural." The steel ones are heavier, but still decent pedals, I think.

Some have experienced breakage problems with 460 spindles, but that may only effect the aluminum-bodied models. There was a thread about it here not too long ago.

I have a set of 460Ds on my PX-10, and I like them a lot. But I make it a point never to stand on them.
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Old 05-15-17, 02:06 PM
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Personally I am not so concerned about the weight. At this point its much easier for me to lose weight than the bike... I figure I will try a pair out. I think these are lighter than the ones I threw on the Mercian anyway.
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Old 05-15-17, 02:07 PM
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Originally Posted by palincss


The no. 23 Berthet platform pedals are prizes too.
Love the graphic, thank you for posting. Didn't realize this was on Shelon's site.
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Old 05-16-17, 06:45 AM
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I have not yet tried screwing them into my Campy crank, but after a quick look through the box, all are marked with R & L, so I am assuming these are all English threading, which is good for me as I don't have any French cranks. There was one exception, one single unmatched pedal was marked with a "D". I will assume that one is French, but there is no match to it. Looking at the chart above, most are 460A. I think there is at least one set of the 36F's. A set or single of the 45, and a few other random pedals. Plus the NOS Campy. Pretty good find at an auction.

I also got a box of derailleurs, mostly NOS, a box of mainly Zefal frame pumps, and two boxes leather saddles. I also got a little organizer with lots of small parts and bearings. Unfortunately there was an online competitor who won most of the bike lots
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Old 05-16-17, 07:03 AM
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If you should happen to have a pair of Lyotard Berthet No. 23 (see graphic posted by palincss) pedals in French threading, and are interested in selling, I am looking for a pair.
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Old 05-16-17, 07:35 AM
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Originally Posted by johnnyace
If you should happen to have a pair of Lyotard Berthet No. 23 (see graphic posted by palincss) pedals in French threading, and are interested in selling, I am looking for a pair.
I don't believe I have any of the Lyotard Berthet No. 23, in these boxes or my prior stash/hoard. If I come across any, I will let you know though.
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Old 05-16-17, 11:31 AM
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Originally Posted by Salamandrine
FYI in the 70s to early 80s, Lyotards were often sold as inexpensive replacement pedals. We usually had a box full of them at my LBS. (or Unions) It was common to see them in both English and French threads.
And also 1/2" axle diameters. As noted above English thread pedals were marked L and R, while metric thread pedals were marked G and D. The 1/2" diameter pedals were readily distinguished because they were far too small to engage a 9/16" diameter pedal eye.
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Old 05-16-17, 11:34 AM
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Originally Posted by johnnyace
If you should happen to have a pair of Lyotard Berthet No. 23 (see graphic posted by palincss) pedals in French threading, and are interested in selling, I am looking for a pair.
Unless you are a purist, you may wish to consider re-tapping your cranks for English thread pedals. Otherwise, spindles from the Lyotard mod. 45 pedal work in the Berthet body:



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Old 05-16-17, 11:41 AM
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Originally Posted by JohnDThompson
Unless you are a purist, you may wish to consider re-tapping your cranks for English thread pedals. Otherwise, spindles from the Lyotard mod. 45 pedal work in the Berthet body:
Thanks John, that's a good tip! I don't want to re-tap, but I will keep an eye out for some cheap No. 45 pedals.
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Old 05-17-17, 06:43 AM
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Originally Posted by JohnDThompson
Unless you are a purist, you may wish to consider re-tapping your cranks for English thread pedals. Otherwise, spindles from the Lyotard mod. 45 pedal work in the Berthet body:





JohnDThompson, thanks for a really useful piece of information!

I think I see a solution here: I can take the Berthet pedals off the 9/16-threaded Stronglight 93 on my Raleigh Gran Sport, remove the original spindles, and replace them with the French-threaded spindles from the damaged Model 45s now on my Gitane (which has a 14x1.25 threaded Model 93). Then I can discard the damaged Model 45 bodies, install the now-French threaded Berthets on the Gitane, and equip the Gran Sport with any of the 9/16 Japanese pedals I have lying around. Eventually I'll find a more appropriate set of pedals for the GS.

Re-tap the French crank to 9/16? What fun would that be?
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