Your frame is most likely a Follis 172. Here's a link to a message on Bike Forums with pictures of a Follis 172 frame built up by the owner with a mixed bag of components.
>http://www.bikeforums.net/showthread.php?t=297095&highlight=follis<
Note you have to become a member of Bike Forums to access the pictures. It's an easy process to join.
Regards,
Chas. Colerich Oakland, CA USA
Thibault Ferron wrote:
> One thing that disturb me about the follis probability is that the follis
> 1974 catalog doesn't mention any shimano equipment ...
> http://www.classicrendezvous.com/
>
> Thibault Ferron
> Paris, France
>
> On 6/16/10, Thibault Ferron:
>> Thank you Chas for the answer. I'll give the frame to my mechanic who is
>> very experienced. So you think it's most probably a Follis frame?
>>
>> Thibault Ferron
>> Paris, France