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PostPosted: Wed Dec 23, 2009 12:17 am 
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Joined: Sat Jun 21, 2008 12:20 am
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Location: St. Helens
Hi all, picked up an early 80's peugeot in very good order.Even the chrome is in good condition,

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Have got some replacement wheels which were a bit wider than the originals but fitted ok.I would like to replace the cranks but I'm not familiar with this bottom bracket setup.Can I replace these with someting more modern and lighter? If so what would I need ?Also if I put an 8 speed cassette on the back will the original shifter /mech work ok. It was 5 speed
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Last edited by spudgun on Wed Dec 23, 2009 12:39 am, edited 1 time in total.

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PostPosted: Wed Dec 23, 2009 12:27 am 
Devout Dirtbag

Joined: Wed Nov 25, 2009 6:18 pm
Posts: 107
you have cottered cranks. you have to replace the bottom bracket to a never one with a square taper (or other system) to change the cranks.


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PostPosted: Wed Dec 23, 2009 12:40 am 
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Will any system work,do I need a specific size?


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PostPosted: Wed Dec 23, 2009 11:14 pm 
Devout Dirtbag

Joined: Wed Nov 25, 2009 6:18 pm
Posts: 107
you need a specific threading.
i guess you need a french threaded bottom bracket (rare, but just reintroduced by ben's cycles)
that's just a guess based on the peugeot being french. someone else will know for shure.


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PostPosted: Sat Jan 02, 2010 11:00 pm 
Dirt Disciple

Joined: Sun Feb 15, 2009 11:22 pm
Posts: 85
could be a swiss sized BB if mid 80's but as it had cottered cranks i'd say french....


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PostPosted: Sat Jan 02, 2010 11:34 pm 
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I've decided to leave the chainset as is.It cleaned up like new and works perfectly.I kinda like the look of it as well. I've fitted the new wheels with an 8 speed rear cassette and apart from only being able to select 7 of the 8 ratios all's well.Went for a leisurely 10 miler yesterday and was smooth as butter.No rattles bangs or squeaks anywhere. Strangely I'm becoming rather fond of it :oops: :lol:


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PostPosted: Sat Jan 02, 2010 11:48 pm 
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Location: Sheppey, Kent
Don't want to be patronising but you have tried adjusting the limit screws on the rear mech to cover the 8 gears haven't you?


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PostPosted: Sat Jan 02, 2010 11:54 pm 
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Tel wrote:
Don't want to be patronising but you have tried adjusting the limit screws on the rear mech to cover the 8 gears haven't you?

To be honest Tel,I've been meaning to but never got round to it,will have a go tomorrow :)


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