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PX-10, but what year?

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PX-10, but what year?

Old 02-16-18, 04:42 PM
  #1  
Zumkopf
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PX-10, but what year?

Just bought what I think is a PX-10, or about half of one. Not a single decal on it, though, and I'm trying to nail down the exact model and year so I can get the right decals and source the right missing parts to restore it properly.

White, fancy Nervex lugs. Stronglight 93 crankset, with drilled chainrings (which I'm guessing may not be original). Serial number on a plate riveted to the BB, very hard to read but I think it's seven digits, 163702X (not being coy with the X, if there is a digit there it is genuinely unreadable). Simplex Competition straight-push front derailleur (rod, not parallelogram). Rear derailleur is a Simplex but I don't think it's original. Stronglight headset. Simplex seatpost. Strange conical seat binder bolt. Mafac Racer brakes. Brake levers have black half-hoods and white lever covers. Normandy front hub is bolted on, so may not be original. Chromed fork/chainstays/seat stays, Simplex dropouts, does not appear to have a left horn. The one color detail that is present is a wrap around both forks where the paint meets the chrome, three narrow bands, top to bottom black/red/yellow (German flag colors).

Can anyone nail down the model and the year? Thanks, Z











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Old 02-16-18, 04:48 PM
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Images aren't working off photobucket

Try using Imgur
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Old 02-16-18, 05:43 PM
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unterhausen
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or just use the forum attachment facility
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Old 02-16-18, 07:14 PM
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Nice clear pictures attached here. (sorry about Photobucket failure.)

My guess is it is a 1970, based on the Nervex lugs (no later than 1971), the Stronglight 93 crank, and the riveted serial number plate (no earlier than 1970). I also think perhaps it is a German market example, based on the fork color and also the weird conical seat tube binder nut, which I've only ever seen in one place, the German example on the BikeBoomPeugeot PX-10 frame page. But I'm no expert, and welcome any informed opinions. Thanks, Z
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Old 02-16-18, 07:27 PM
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What fun! Be careful of those front brake shoes/pads - in backwards.
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Old 02-16-18, 07:37 PM
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Likely to be a PX-10E, no later than 1971 based on the lugs.
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Old 02-16-18, 11:53 PM
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.
...FWIW, I bought this one from a guy who originally bought it in Germany.

Unfortunately, I have no idea of the year...I'm not real confident dating Peugeot bikes from the 70's.
Most of the components on it were worn out...he rode the crap out of it...so these came from a donor.

But the paint and decals are original to it, and I think it's close to yours in vintage. Maybe that helps.
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Old 02-17-18, 02:27 AM
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I'd say that the fork leg bend on 3alarmer's bike above suggests that is one of the steep ones, the last of the Nervex Pro-lugged PX-10's following the approximately one-year run of the 73's with plain lugs and the traditional geometry.
This one is from about 1974, showing it's very steep frame angles and straighter fork legs than the 73x73 Holdsworth Special.

They're great bikes for more "aggressive" riding, attacking rolling hills and the like.
The fit is best when a longer stem seems to be needed, as the longer stem calms the extremely quick steering.

These were sold alongside the plain-lug PX10LE's for a year or two before the fancy lugs went away for good. By the late 70's the geometry of the equivalent "Super Competition" model had returned to normal, roughly 73x73 geometry.
At bottom is my PX10LE from '74 or '75, also having the very steep frame angles and straighter fork.




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Old 02-17-18, 06:40 AM
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I'd be guessing it's a 1971 year model. The presence of the colored bands and/or the fork color(?) won't help with the dating, since it's evident the bike was powder-coated and any decals would have been lost in the repaint. The FD, RD, stem, seatpost, shifters, hub, drilling on chainrings, conical seatpost bolt, and lever covers would not be original to the bike. Though Peugeot's serial number dating scheme is unreliable, it's interesting that one of the PX-10's on the BikeboomPeugeot site has a serial number just a couple hundred under yours (1636797) and is shown to be a 1971.
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Old 02-17-18, 01:28 PM
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Other than measuring the frame angles (73 versus 75+ would be very easy to discern), I think that the fork leg curve on 3alarmer's bik is the easiest way to discern post-'72 from all of the earlier frames that had the traditional, relaxed geometry. The derailer on 3alarmer's bike looks original so should have a date-stamp on the outer cage plate.


The photo of the OP's bike OTOH shows the fork rake at such a bad angle that I won't hazard a guess.

Here is a photo of the earlier fork leg curve for comparison with the two other (later) versions that I posted.
The Nervex Pro-lugged PX10's with the steep angles are not uncommon but were built (and sold alongside the LE models with the same steep angles) for just that last one year. As such, they are commonly mistaken for the pre-'72 models which also had the fancy lugs.


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Old 02-17-18, 02:42 PM
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Originally Posted by dddd View Post
I'd say that the fork leg bend on 3alarmer's bike above suggests that is one of the steep ones, the last of the Nervex Pro-lugged PX-10's following the approximately one-year run of the 73's with plain lugs and the traditional geometry.
This one is from about 1974, showing it's very steep frame angles and straighter fork legs than the 73x73 Holdsworth Special.

They're great bikes for more "aggressive" riding, attacking rolling hills and the like.
The fit is best when a longer stem seems to be needed, as the longer stem calms the extremely quick steering.

These were sold alongside the plain-lug PX10LE's for a year or two before the fancy lugs went away for good. By the late 70's the geometry of the equivalent "Super Competition" model had returned to normal, roughly 73x73 geometry.
At bottom is my PX10LE from '74 or '75, also having the very steep frame angles and straighter fork.



Interesting. The crown on this is different from the earlier Nervex lugged versions. Can't make out what the OP frame has.
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Old 02-17-18, 05:06 PM
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Fancy lugs were used through at least '72. Other models used through '75. I've never bought into the 'one year only' theory of plain lugs in '73 or '72 or whenever...

Regardless, unless it have the original RD, handlebars or rims your going to have a hard nailing down the exact date. In reality, it doesn't matter, for the most part PX frames didn't change from the early 60's through '74...531 tubing, long dropouts, mish mash of lugs etc.

But, I'd look closely at the fork bands. If they are German flag colors it may suggest production after a German won something big while riding a Peugeot. National Championship, Olympics in '72 etc...

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