Originally Posted by
pastorbobnlnh
Since it came off a 1967-68 PX10, there's a good chance the hub and freewheel threading is French. French threading alone, is the perfect reason to completely clean, service and restore this Regina.
Can you take a look at the back side of the freewheel body and look for a stamp? If you see "F.F." stamped there, you have a French threaded freewheel? Finding one in this range can be challenging. This alone should be motivation to clean and restore!
The "weird click" could be a bad pawl or bearing or external contamination. Unfortunately there is a large gap between the body halves and it is easy for debris to invade the interior!
Good point about the F.F. designation meaning French-threaded. Although Italian freewheels marked
F.F. fit much more easily onto an English-threaded hub than the Made-in-France French freewheels (and so may be mistaken for English-threaded ones), they are French-threaded and will damage an English-threaded hub to some degree, and with considerable reduction in torque limit across the threads.
Note also that an "
F.I." designation stands for "fit ingles" (English threading).