Not able ton send macro closeups and/or access a thread pitch Gage?
try walking into a bike shop where it can be seen.. they are the same* .. only if not shimano , or Asian do they stand a chance of not being the same.
1 tpmm RH thread..
Different ones are French.. briefly at premium costs were the Italian ones not..
* Or someone bodged them up, perhaps...
...
Last edited by fietsbob; 08-16-17 at 10:39 AM.