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My new Jeunet...year?

Old 05-16-07, 05:30 PM
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My new Jeunet...year?

I just bought this at word-of-mouth-only nonprofit bike shop. I hadn't heard of the brand-being new to this stuff-but I liked the bike and had to take it.

I'd really like to know the year, and model. So far I found a pic whose frame looks the same, but the crank(right word?) and fork is different:

FROM THE NET:


MINE:








Any history lessons or links would be HUGELY appreciated!

z.
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Old 05-16-07, 06:43 PM
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read here:
https://www.bikeforums.net/showthread...ghlight=jeunet
Note there is some confusion over the originality of the forks, but every one I have seen since that thread has the fully chromed fork, as yours does. I believe them to be original.

They are a very nice entry level early 1970s bike. French threading, however.

During the boom, some French manufacturers would stick what they could get on a bike.
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Old 05-16-07, 07:46 PM
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good info! thanks! i guess i wasn't using the search engine right-and didn't find that stuff before.

BUT....

you said, about Jeunets from this era: "A lower end entry level bike would not have the Simplex drops."

but mine DOES have them....it does NOT have a clear model number on it(though the decals are impossible to read in small sections), maybe the lugs match enough to say it's the 620? anyone know where this model ranks with the others of the make?
is this a bike that i can use the serial number to find the exact year?
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Old 05-16-07, 08:27 PM
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I have a 1975 model 650 that has some of the sloppiest brazing to every grace reynolds 531 tubes, it has the simplex stamped DOs and as far as I can tell there was no lug filing. Nice low BB and long wheel base though. Perfect beater really
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Old 05-16-07, 08:27 PM
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and....

...how do you pronounce the J E U N E T ?

...what is Brazing?

...what is BB?

...what is "lug filing"?

...i'm not a dope, just new. loving the help, THANK YOU THANK YOU!
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Old 05-16-07, 08:37 PM
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Originally Posted by monkeydentity
and....

...how do you pronounce the J E U N E T ?

...what is Brazing?

...what is BB?

...what is "lug filing"?

...i'm not a dope, just new. loving the help, THANK YOU THANK YOU!
Zhoo-NAY

Low temperature welding that melts the brazing material, which in turn makes the metal stick together.

A Bottom Bracket - the fat part that the pedals pass through

Lugs are the metal collars that are placed at the joints of the frame. Bicycles that are made by people who get to show they care about the finer details will file the edges so that they are thinner at the extremities.
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Old 05-16-07, 08:52 PM
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Can you pronounce Chevrolet? same basic pattern.

Setting the wayback machine to 1973, Mr. Peabody... Otto's Racing Bicycles in Santa Monica, Jeunet had a range of bikes basically parallel to Peugeot in pricing but with here and there some better spec. for the same or less money, I do not remember full chrome forks at the time but chrome "socks".

Many of these bikes rode above their station in life.
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Old 05-16-07, 10:06 PM
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Agreed, early 1970s, entry level model. The reference to the Simplex drops not being on entry level is more accurately stated as Simplex dropouts with integrated derailleur hangers not being on entry level models. The OP bicycle uses stamped dropouts without an integral hanger. This typically denotes an entry level model.

I don't see the tire valves in the pictures, but they appear to be clinchers. So it could be either a model 610 or a model 620 with the tubulars swapped out for clinchers, which was a common retrofit after a neophyte's experience with tubulars.

Yes, it certainly would be nice to get a definitive answer on the full chrome versus 1/2 chrome forks. I know my Pro had 1/2 chrome forks. Somwhere I have a picture of it.
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Old 05-17-07, 04:28 AM
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Originally Posted by USAZorro
Zhoo-NAY
First syllable actually has an 'eh' sound as in 'first', the second indeed sounds like the last syllable in 'Chevrolet'.
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Old 05-17-07, 10:09 AM
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Jeunets were typical low-end French bike-boom bikes of the 70s. They may have made higher end models, but I don't think I ever saw one.

If you were there at the time, the popular bikes like Raleighs, were sold out much of the time, which opened the gates for people to import anything on 2 wheels with 10 speeds and sell lots due to the overwhelming demand.

I'm not French speaking, but they were always called Jhoo-nays.
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Old 05-17-07, 01:42 PM
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So i get that some people don't share Sheldon Brown's enthusiastic love of french bikes.... but i found this on his site:

"Most of the French bicycles that flooded the U.S. in the '70's had plain rear fork ends, and used rear derailers with bolt-on adaptor claws, secured by the rear axle..."
HOWEVER:
"...The better models, those with Reynolds 531 or other high quality tubing, commonly featured Simplex forged fork ends, with built in Simplex-type derailer hangers."

this does seem to be the case with mine....so which is it...the full chrome forks mean that it's the low end model (saved on painting and matching fork to bike), or the simplex stamped-DOs mean that it's not-ath least- bottom of the barrell? maybe the model is the lowest in the lineup but higher than other companies at the time???....conflicting with the '2nd to sold out peugots' theory.

maybe i'm missing something...what is the "integral hanger"? if mine does-NOT have it then it is indicative of an entry-level bike?

not trying to proove anything, just funny that there seems to be no clear consensus.

thoughts?

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Old 05-17-07, 02:14 PM
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Originally Posted by monkeydentity
So i get that some people don't share Sheldon Brown's enthusiastic love of french bikes.... but i found this on his site:

"Most of the French bicycles that flooded the U.S. in the '70's had plain rear fork ends, and used rear derailers with bolt-on adaptor claws, secured by the rear axle..."
HOWEVER:
"...The better models, those with Reynolds 531 or other high quality tubing, commonly featured Simplex forged fork ends, with built in Simplex-type derailer hangers."

this does seem to be the case with mine....so which is it...the full chrome forks mean that it's the low end model (saved on painting and matching fork to bike), or the simplex stamped-DOs mean that it's not-ath least- bottom of the barrell? maybe the model is the lowest in the lineup but higher than other companies at the time???....conflicting with the '2nd to sold out peugots' theory.

maybe i'm missing something...what is the "integral hanger"? if mine does-NOT have it then it is indicative of an entry-level bike?
Your bike has plain stamped dropouts, nothing "Simplex" about them. I remember those Jeunets pretty well, I used to sell them in the early '70s. That model was Jeunet's version of the Peugeot UO-8, basically equal in quality. The main difference is that the Peugeot had a wide range (52/36) double crank, while it's various imitators didn't.

The fork and handlebar stem on your bike are not original, it was probably in a crash and bent the original fork. The chrome fork is probably a generic asian repair fork. The stem looks like a Wald.

One of your other posts was asking what various terms mean.

See: https://sheldonbrown.com/glossary for other terms that you may not undestand.

Note, back in the day, mid '70s Bike Boom, there were three different French brands all pronounced the same: Jeunet, Ginet, & Ginay. Jeunet was the good one, the others were garbage.

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Old 05-17-07, 02:23 PM
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cool resource for a newbie. great help! THANKS!

on the fork question:
there seems to be some disagreement- https://www.bikeforums.net/showthread...ghlight=jeunet

my bike would seem to support the theory that they came with the full chrome fork for a bit because of the contoured jeunet stickers that fit the structure.

i'll get some pics of the fork and the stamps on the DOs and try to get them up this evening.
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Old 05-18-07, 11:27 PM
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digital camera problems...pics up soon...promise.
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Old 05-19-07, 12:21 AM
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Fork is original - note the Jeunet decals below the crown, on the top of the fork blades.

Sold one a few months ago identical to yours save for the 23" frame size. Same all-chrome fork:



Non-original parts include Shimano GS rear derailer, Suntour FD, Schwinn/Dia-Compe brake levers, saddle, tires, chain, and Shimano stem shifters. Other then that, it is original. Built it up from the remains of another rider's failed fixie project.

I think I have a better photo somewhere on my other computer. Will post it in the morning.

-Kurt
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Old 05-20-07, 10:38 AM
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Ah, those forks are one of those great mysteries I've never figured out. In the cat, they're half chrome. Every single one of these bikes I've seen in the flesh (over ten, at this point) had the full chrome fork. I think they're original. I can't imagine all of them had front end damage, it seems statistically unlikely.

The two I've owned (long resold) actually had forged simplex drops, not stamped, IIRC. I also own a 531 db Lousion Bobet with plain (no integral hanger) simplex drops and have seen Gitane TDFs with the same (I think Gitane TDFs have every type of derailleur hanger known to man in the early seventies, actually).

There are higher end Juenets. Nice 531 models.

I'd say this is a slightly nicer version of a UO8, with some extra bling. Fix it up and have fun is my carefully considered advice.
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Old 05-20-07, 02:03 PM
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Originally Posted by Poguemahone
The two I've owned (long resold) actually had forged simplex drops, not stamped
Same here, in addition to the all-chrome fork (with Jeunet fork blade decals). Crappiest looking forged dropouts I've ever seen in my life.

P.S.: There is no doubt in my mind that the all-chrome forks are indeed original. Besides the fact that they have, quite obviously, Jeunet decals below the crown, and feature the same crown as the one in the catalogue, I have yet to see someone pop up with one that looks like the model in the catalogue.

The one in the catalogue is most likely a pre-production model for that year. They probably found it easier to leave the fork all-chrome and slap those decals on it, rather then chroming it and painting half of it.

-Kurt
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Old 05-21-07, 04:18 PM
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Oi vey....the rear derailer broke....screw popped out, little turny wheel dropped out and swing arm is now bent. all from changing gears at a low speed....yes, i'm VERY new to riding and i've NEVER used gears that weren't indexed. aargh.

I thought i read somewhere that the derailer at the time was shoddy...is that the case? what parts on this thing are itching for upgrades?

I've seen pages that say 'lose it all, keep the frame' and others that say 'but it's all so beautiful'-i'm a low budget student, what needs to be done to this pretty frenchie to make it ride as such?

thanks all you're fantastic!

z.
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Old 05-21-07, 04:51 PM
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The Simplex rears are actually pretty good shifters for the time period-- if you have one that has been well kept. Big if. Since they were cheap, there aren't many of those. The plastic derlin parts, being plastic, tend to degrade over time, esp. if left in sunlight. Most of them are in crap shape, and could bear replacement. A period Suntour VG was a common replacement-- cheap, effective, and far more durable than the Simplexes. If the front is Simplex, certainly consider replacing that as well. Check first, as most french tubing was slightly smaller in diameter and some front mechs will not clamp to the bike. However, I recently built an old Follis up and found a Suntour FD that clamped onto the smaller diameter tubing no problem.
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Old 05-21-07, 04:51 PM
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If you need a replacement RD, I can send you a Suntour for the price of postage. Won't be high end, but it will work....
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Old 05-21-07, 05:44 PM
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AWESOME! THANKS! pm'd you
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Old 05-21-07, 06:59 PM
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Evidence!

Chrome fork with decal that fits the crown:


Simplex DO


my bike's booboo:
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Old 05-21-07, 07:29 PM
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Your chain is probably 4 half-links too long (maybe more). That'll help shifting.
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Old 05-21-07, 09:31 PM
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it was more taught before the **?** gear/wheely thingamabod came off.
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Old 05-30-07, 01:42 PM
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so are those the "stamped" or "forged" drop outs?
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