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Old 05-26-11, 07:40 PM   #1
jpsawyer
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'79 Peugeot cranks/ BB

Hey, i have a '79 Peugeot Super Sport and wanted to put new chain rings on, but as the stronglight cranks that came with are 3-armed its hard to find a chain ring for them, i am thinking about changing the cranks. I already have a tool that i can use to get the cranks off as well. And i have a newer sugino crank just sitting around my place and wanted to replace the stock stronglight crank with it. and i was wondering if anyone knows if the BB is ISO or JIS and if i could put the sugino cranks on my BB without ruining the BB and cranks? thanks
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Old 05-26-11, 07:49 PM   #2
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Do you really have the stronglight tool? Its expensive, as they used a unique size (23.35mm). A standard puller is 22mm, and a TA puller is 23mm. Stronglight pullers sell for about $50, or more.

Check out the bb closely. You are close to the time where Peugeot went from french threading to the dreaded Swiss threading (obsolete).
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Old 05-26-11, 07:59 PM   #3
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a friend of mine has the tool. i have no idea where he got it from or even how. but he does so thats all that matters.
and how can i tell if the BB is swiss or french threaded?
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Old 05-27-11, 04:57 AM   #4
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Where was the bicycle made? Many Peugeots are not of French origin. If you have a North American model, then threading issues are no problem.

Also, look at the inside end of your crank arms. What threading is indicated for the pedals? That should be a help and report those numbers here. If you cranks are French then it is most likely that your bottom bracket will be so also.
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Old 05-27-11, 07:47 AM   #5
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Were there really Peugeots made outside of France as early as 1979?
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Old 05-27-11, 08:29 AM   #6
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The threading for the pedals is the standard 9/16 x 20. and i think it was made in france because i still have the sticker on the bike that says made in france.
and yes, there were peugeots being made in Canada starting mid to late '70s i believe
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Old 05-27-11, 09:20 AM   #7
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Quote:
Originally Posted by jpsawyer View Post
a friend of mine has the tool. i have no idea where he got it from or even how. but he does so thats all that matters.
and how can i tell if the BB is swiss or french threaded?
What does the fixed cup look like (letters/numbers/rings/shape/etc.)?
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Old 05-27-11, 09:43 AM   #8
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the fixed cup doesnt look like anything i havent seen before. pretty standard. but i havent taken it off yet or inspected recently so i couldnt tell you if there is anything more on the inside. but there is nothing on the outside
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Old 05-28-11, 07:07 PM   #9
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What shape is it (2 flats, octagonal, hexagonal, etc)? Any rings or other markings on the cups?





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Old 05-28-11, 09:53 PM   #10
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yeah, thats what it looks like. almost exactly. but the lockring only has 2 holes. i asked a few other local experts around here and it is actually a newer bottom bracket that got put on before i found it. but unfortunately whoever took the cranks off first didnt have the right tool so they threaded the cranks, so i couldnt even get them off with the special french threaded puller. kinda pissed. but thanks for all the help guys
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