It's an early 70's PX-10.............the NDS spun out rather stiff while the DS spun out what I would call normal.
By the location of the decals it's a pre 1974..........I thought these were french threaded?
Originally Posted by
miamijim
If its an 80's PX10 the cranks were probably 9/16-20 from the get go. Most of my early 70's PX10's came from the factory with 9/16-20 Stronglight cranks.