Originally Posted by
Numberfourson
I'm still learning and I can't say for certain which is which. I own two 1973 Zeus Professionals and discovered they are two different threads.
I bought a few pairs of Shimano SPD pedals thinking if I used the same pedals on differing bikes I wouldn't need a set of shoes for toe clips.
The pedals threaded easily into one crankset but not the other.
Any body know where I can find a nice pair of antique leather shoes with flat soles ?
Enjoying the ride...
You can retap these to english threaded and not have to buy new shoes (or pedals)
https://velo-orange.blogspot.com/200...l-threads.html