Peugeot and French bike experts help!
#1
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Peugeot and French bike experts help!
Somehow I got suckered into purchasing a Peugeot mixte by my gal for her to ride (Record du Monde, likely early 70s). The bike is already upside down due to shipping, so it is obviously not a flip possibility. Ironically, I think it is a similar model to my first foray into cycling in the mid to late 70s. Except it has quick release.
I don't want to put too much money into it, and she is less interested in vintage purity than enjoyment of ride. The great news is the Mafac set is in good shape. The plastic Simplex mechs are seemingly operational, the frame is solid, and the headset will be made to work, pits or not (not trying to track down a french headset at this point)...
Tires are old and shot (Dae Yung is not a good brand name for tires in the US). Crankset is 100 pounds of steel teeth that seem intact. Cotter pin madness ensued however.
1. How do you get cotter pins out that have its threads fused to the crank?
2. If I have to replace the crank, can I simply get cheap French cups (By action brand, I think), use a British length square taper spindle and use a Shimano crank I have on hand?
3. Has anyone successfully de-rusted the lovely serrated rim-set before? Not a fan of steel rims after my first bike, but she likes the look of them...
I don't want to put too much money into it, and she is less interested in vintage purity than enjoyment of ride. The great news is the Mafac set is in good shape. The plastic Simplex mechs are seemingly operational, the frame is solid, and the headset will be made to work, pits or not (not trying to track down a french headset at this point)...
Tires are old and shot (Dae Yung is not a good brand name for tires in the US). Crankset is 100 pounds of steel teeth that seem intact. Cotter pin madness ensued however.
1. How do you get cotter pins out that have its threads fused to the crank?
2. If I have to replace the crank, can I simply get cheap French cups (By action brand, I think), use a British length square taper spindle and use a Shimano crank I have on hand?
3. Has anyone successfully de-rusted the lovely serrated rim-set before? Not a fan of steel rims after my first bike, but she likes the look of them...
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1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
#2
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(1) Try PB blaster for the cotters if they're rusted. You can drill them out if all else fails.
(2) Yeah you can run a cotterless crank on this. There are cheap cups available as you point out. Hopefully this bike is French and not Swiss threaded.
(3) I wouldn't waste time on steel rims. I'd get an alloy set. It's easy to spread this bike to 126 and I'd get 700c (the brakes can handle this). If you're committed to the wheels, try aluminum foil with water.
https://www.wikihow.com/Remove-Rust-from-Chrome
(2) Yeah you can run a cotterless crank on this. There are cheap cups available as you point out. Hopefully this bike is French and not Swiss threaded.
(3) I wouldn't waste time on steel rims. I'd get an alloy set. It's easy to spread this bike to 126 and I'd get 700c (the brakes can handle this). If you're committed to the wheels, try aluminum foil with water.
https://www.wikihow.com/Remove-Rust-from-Chrome
Last edited by bikemig; 04-21-20 at 08:22 AM.
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#6
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Will the diameter of the spindle match the cup holes? Are they pretty standard?
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1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
1987 Crest Cannondale, 1987 Basso Gap, 1992 Rossin Performance EL, 1990ish Van Tuyl, 1985 Trek 670, 1982 AD SLE, 2003 Pinarello Surprise, 1990ish MBK Atlantique, 1987 Peugeot Competition, 1987 Nishiki Tri-A, 1981 Faggin, 1996 Cannondale M500, 1984 Mercian, 1982 AD SuperLeicht, 1985 Massi (model unknown), 1988 Daccordi Griffe , 1989 Fauxsin MTB, 1981 Ciocc Mockba, 1992 Bianchi Giro, 1977 Colnago Super
#7
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Cotter pins that have been in place for many, many years usually require the application of a couple of heating and cooling cycles with a propane of MAPP gas torch to get the cotters out in reusable condition. When it's hot, I usually dribble in some 50/50 ATF acetone mix, and my press takes care of the rest. If you wreck them, and still want to re-use the cottered crank, I'm pretty sure you can still get French diameter coters, but you might have to file or grind the tapers to match the old ones. I still re-use a lot of cottered cranks here, because I am old and for a long time that was all I knew.
You're on your own with those steel wheel rims. I'm not a fan.
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You need one with a throat depth of 1 1/4" or more. You will have to grind the throat to slightly more than 1 1/4", depending on how wide the crank is.
You probably also have to grind the fork face so it is normal to the screw axis - the piece is cast and the draft angle is unlikely to be so.
If possible get one with the screw tip as shown - nice little concavity centres itself on the pin.
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#10
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If Peugeot had something proprietary is beyond me. For normal French to English spindle swaps there is no problem. The difference in diameter of the spindle or the hole in the bearing cup or the hole in the (cottered crank is less than manufacturing tolerances. Right now I have 3 French crankarm sets installed on English spindles. There is no problem. The French arms on the 1950 Bates are likely the originals.
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If Peugeot had something proprietary is beyond me. For normal French to English spindle swaps there is no problem. The difference in diameter of the spindle or the hole in the bearing cup or the hole in the (cottered crank is less than manufacturing tolerances. Right now I have 3 French crankarm sets installed on English spindles. There is no problem. The French arms on the 1950 Bates are likely the originals.