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1970s Jeunet 630

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1970s Jeunet 630

Old 06-08-15, 01:40 PM
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KenNC
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1970s Jeunet 630

Here are some pictures of a Jeunet 630 I recently purchased. I had been thinking of getting a Peugeot PX10 some day, but the price on this seemed much, much better, the size looked right for me, and it had other features I liked (including the rear derailleur plate that won't require me to modify an integral Simplex derailleur hanger). I am awaiting its arrival and thinking of what I might do to modify it, either at first or over time: Maybe replace the derailleurs/shifters with a Huret Success or Suntour group; maybe replace the Ava stem. It seems to be all original (not completely sure about the brakes) so I might just check all the bearing lubrication, replace the cables, and go ahead and ride it for awhile before doing anything else. Thoughts and opinions welcome, particularly as to any history of, or experience with, this brand. There seems to be limited information about Jeunet's on the web.

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Old 06-08-15, 01:51 PM
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I remember seeing that and even posted in "Are you looking for...". It looks in beautiful condition and was priced very well. I also remember it didn't last long at all! Glad to see it on C&V.
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Old 06-08-15, 02:02 PM
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very fine. thank you for posting.

one might wish to straighten the front caliper as an early action.

cannot recall ever seeing one of these come through with weinmanns.

suggestion: if you repack the hs check the steerer. they sometimes cheated and used a nervor rather than a reynolds.

the jeunet disty for my region was only in action for but a brief time so all of our examples are boomers from about the same time as this one.

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Old 06-08-15, 03:17 PM
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I like Jeunet's I always thought they looked a bit nicer and where a notch above similar Puegeot's. I have a old 620 I built up as a light touring bike and it is one of the best riding bikes I have owned. This one looks to be every bit as nicer or nicer than most PX-10's I would choose take it over one at the same price range, the fact that it was cheaper is just great. Nothing wrong or bad but just a bit odd the bars and brakes are different than on all the ones I have seen, which had Jeunet itched branded bars and mafac brakes.
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Old 06-08-15, 03:49 PM
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There's a couple Jeunet spec/sales sheets here:
https://www.flickr.com/photos/131757...th/3028149819/

I have one such frame, which is quite lightweight for its size; lighter than a similar PX-10 frame I also own.

Seeing the rear fixture for the pump makes me understand why on mine the business end of it is broken off!
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Old 06-08-15, 04:12 PM
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Originally Posted by Charles Wahl View Post

Seeing the rear fixture for the pump makes me understand why on mine the business end of it is broken off!
...perhaps a previous owner got tired of it gouging them in the shoulder during portages...
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Old 06-08-15, 07:24 PM
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Quite the looker! Thanks for sharing, and keep us posted!
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Old 06-08-15, 08:25 PM
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I had one of these. Somewhat crude finishing, but for a production bike, pretty cool.The Weinmann 500's were used as the clearance at the fork crown is very close, specially for early 70's vintage bike. A Mafac just won't work in front. Note the front brake pads are adjusted to the top limit.

TA crank with the Criterium rings, 1/2 step gearing. Mine had the covered pedal holes, does yours?

Nice decoration. An off the showroom floor entry level racer. Originally would have come with sew-ups. Great bike.

Edit- looks like you have sew-ups - cool.
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Old 06-08-15, 08:29 PM
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This is a really sweet bike.
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Old 06-08-15, 11:57 PM
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Pretty cool. Makes me think "French Super Course" basic, slightly crude 531 bike; build it up as nice as you like.
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Old 06-09-15, 06:58 AM
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That is a nice bike. I would have picked it over a Peugeot, as well.

The front brake caliper will probably not bend back without breaking. Aluminum does not respond well to being bent that far more than once. I would look for a different caliper or arm.
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Old 06-09-15, 07:23 AM
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I am in agreement with many here who would have picked this over a Pug. Nice acquisition!
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Old 06-14-15, 05:58 AM
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Originally Posted by big chainring View Post
...TA crank with the Criterium rings, 1/2 step gearing. Mine had the covered pedal holes, does yours?
Got the bike a few days ago, and yes it does have the covered pedal holes, is there a special advantage to that? And, French thread pedals. The steerer tube does not have a Reynolds stamp on it that I can see, but otherwise the fork seems light and good quality. Have the bike apart and am in the process of touching up paint nicks and and cleaning/repacking all the bearings. The Ideale 80 saddle looks to be in great shape and am working some Proofide into that. The freewheel seems to be standard thread, not French. Seat tube looks to be 26.0. The only date code I have found so far is on the cage of the rear derailleur, which said 3-72. Haven't decided whether I'll put it back together identically, or change out those derailleurs and freewheel. Also a little uncertain about the 45 tooth chainring as the smallest up front. I know the Simplex derailleurs have issues, but these look in about as good shape as I'll ever come across so I might give them a try for awhile just to see what they are like!
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