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Headset for a Peugeot CFX-10

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Headset for a Peugeot CFX-10

Old 03-08-21, 09:09 PM
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Bosmer30
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Headset for a Peugeot CFX-10

I need a headset and i am confused by all the options.All i know is the headset has to be 1 inch threaded with a 27mm crown race,but i am unsure of the stack height and do not want to purchase another headset i cannot use. If you'd be kind enough to link me to headsets that'd work,it would be greatly appreciated,
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Old 03-09-21, 08:43 AM
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Dirk de Chablis
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You might have a French threaded headset, taken from Sheldon Brown

The threaded parts of a French headset are non-standard, but the press-in parts are conventional. If you have a worn-out headset, it is most likely the lower races that are damaged. If you have trouble finding a French headset, you can replace the bottom races with ones from a standard headset, and keep the old parts on top.French headsets use a different type of keyed washer than others. Instead of having a groove machined in the threads, the rear part of the threads is filed flat. French headsets commonly used a serrated keyed washer, with matching serrations on the threaded bearing race. This makes French headsets slightly harder to adjust, but once they are adjusted, they hold their adjustment better than conventional designs.

I can't remember when Peugeot changed from French to English, I'm sure someone will be along with more info
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Old 03-09-21, 12:19 PM
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In addition to the above post - I believe Peugeot switched over from French to English thread at some point in the late 70s, so depending on the model of your bike, you may be ok with just a standard English thread one.
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Old 03-09-21, 06:47 PM
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Also there's more to the proper replacement headset then the threading standard, or the frame/fork fits. It's the stack height. A lot of lower cost steel headsets have a fairly minimal stack height. To find stack height measure the "thickness" of the lower and the upper units or the overall fork steerer length minus the head tube length. 33-42mm is the typical range for a threaded unit.

So the needed dimensions are the fit to the fork crown and head tube, the threading and the stack height.

I was going to mention that Peugeot had changed from French dimensionally specd bikes to Eng/Jap in the late 1970s but started with the upper end bikes first. The CFX-10 is not a base grade model so I figured that it was Eng threaded.

I will add that headsets are one component that many don't fully understand all the compatibility aspects, or don't take the time to find these out before buying. This is one area where the LBS can often save time and mistakes. Andy
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