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Durax and Nervar cottered cranksets with Lyotard pedals

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Durax and Nervar cottered cranksets with Lyotard pedals

Old 10-27-16, 10:49 PM
  #1  
Dougbloch 
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Durax and Nervar cottered cranksets with Lyotard pedals

I got both of these cranksets in a box full of parts that I scored for the Mafac Racers. I cleaned up the Durax a bit as it as caked in grease, but I think it could use a soak in mineral spirits.

I'm wondering what these are worth if I clean and polish them. They are in sound condition



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Old 10-28-16, 02:54 AM
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I like cottered crank sets. The Nervar, if free of rust pitting and in good condition, might fetch $25.00, if lucky. The Durax - I am unsure of the price for that piece. It will be interesting for me to see what others think the Durax to be worth.
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Old 10-28-16, 06:22 AM
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Interesting to note that both sets exhibit riveted chainwheels. The NERVAR set is missing a chainwheel bolt and a pedal dust cover. Would think the DURAX to be the more valuable due to completeness, the apparent 36T inner and the fact that it is of the five-pin pattern. This last trait means it can accept chainwheels down to 26T. Both sets appear to be wearing Lyotard model 36 pedals with Cibie reflectors.

DURAX made by A. Duprat firm and NERVAR by Etablissements Peyrard. When posting a for sale notice it would be good to include information on length and pedal thread as well as the dentition.

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Last edited by juvela; 10-28-16 at 06:26 AM. Reason: spellin'
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Old 10-28-16, 08:04 AM
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Dougbloch 
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Originally Posted by juvela View Post
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Interesting to note that both sets exhibit riveted chainwheels. The NERVAR set is missing a chainwheel bolt and a pedal dust cover. Would think the DURAX to be the more valuable due to completeness, the apparent 36T inner and the fact that it is of the five-pin pattern. This last trait means it can accept chainwheels down to 26T. Both sets appear to be wearing Lyotard model 36 pedals with Cibie reflectors.

DURAX made by A. Duprat firm and NERVAR by Etablissements Peyrard. When posting a for sale notice it would be good to include information on length and pedal thread as well as the dentition.

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Thanks for enlightening me on what I got! I am going to give both cranksets a thorough cleaning. Might keep one set of pedals for myself.
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Old 10-28-16, 11:21 PM
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Anybody want to venture an estimate on the Durax? I can't really find much on these. Thanks.
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Old 10-29-16, 06:23 AM
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Just because it's rare or unusual doesn't mean its worth much.
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Old 02-18-18, 04:00 AM
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Are you still looking to find a new home for the Durax crank set. Depending on which model it is I might be interested.
A close up photo showing the section of the crank itself would tell me.
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Old 02-18-18, 10:05 AM
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wrk101
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I sold a 1963 Durex cottered crankset off a UO8 for $90 (kept the pedals). Value surprised me a lot but the only other one on eBay had a $180 asking price. So I offered mine for 50% less.

I bought that incomplete UO8 for its Belt saddle, which was not original to the bike but useful for my Japanese bike “collection”.

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Old 02-18-18, 11:26 AM
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+1 on the Durax sets going for surprising high prices for a somewhat modest cottered crank set. I would say $75 or so as presented and $100 if you have the matching spindle and BB.
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