I’ve found a half dozen sites that talk about those years’ 318 cranks. One says all were forged, the other five go into some detail about which were forged, which were cast. So it looks like some were cast.
I’ve found a half dozen sites that talk about those years’ 318 cranks. One says all were forged, the other five go into some detail about which were forged, which were cast. So it looks like some were cast.