Originally Posted by
Capecodder
OK, I can thread a known ISO freewheel onto the hub this Winner Pro was taken from, and I can thread the Winner Pro onto a known ISO hubb so it has to be ISO threading or the Known ISO freewheel would not have threaded onto the hub the Winner Pro was on... Yikes LOL........
ISO is a compromise between BSC and Italian threading. Unfortunately, all three will interchange, so it's hard to know by threading onto an ISO hub.