Originally Posted by
39cross
Gratefully snipped from the above post:
Just because I was curious I measured the wrench flats on my pedals (as I wrote about in a few posts earlier). My micrometer measures them at 15.3mm and 0.6 inches. The 5/8" wrench was a better fit for me than a 16mm wrench.
The cranks arms have what looks like an embossed "V" in a rectangle, does that mean anything?
Keep in mind these are English bicycles and the use of random BSW and BSF sizes continued into the 1970's.
Whitworth threads are 55 degree.vs 60.