Thanks my friends i will go to measure the od of the tubes,and post here later,the bothom braket lugs have engraved nervex but evething i have seem from nerver doest have that spearpoint i i didnīt see any welding at the lug to do tht spear to,another thing that is strange are the uper stays at the end in bullet shape the moast part of them are faced moast usualy painted at that area,what do you think iīts aut of question that cold be that peugeot i mention above,dos anyone as a photo of that model restored?Thanks best regards to you all.