S between seat stay?

[Snowflake]

Hi new here just wondered if anybody knows what bike has an S between the seat stays used to hang rear brakes?

Struggling to identify a bike I purchased recently.

Thank you in advance

 

[Jonny69]

Pics or it didn’t happen

 

[Snowflake]

 

[Snowflake]

Sachs huret, Weinmann , souple prod seat , cantilever Weinmann, italian bars, made in Italy bike stand, 27 1/4, Shimano hubs front and rear? Olympic bands on down tube, cable lugs on top tube side bottom drive side.

serial number under bottom bracket 7 numbers with a funny symbol at the beginning. then 660....

Any ideas?

Thanks

 

[non-fixie]

I believe that is a Schauff trademark ...

EDIT: yes, I knew I had a picture somewhere.:

 

[Supratada]

How big is that chainwheel????

 

[Nob]

https://schauff.de/schauff/index.php?action=misc&language=e&category=57&id=7

 

[jim haseltine]

How big is that chainwheel????

That's Jean-Claude Rude's world speed record tandem.
http://www.classicrendezvous.com/Germany/Schauff/tandem_record.htm

 

[synchronicity]

Reminds me of this chainring:
Nearly touches the ground.

 

[warrior4life]

Superbike!