In case someone's interested, there was recently a discussion on the Finnish Citroen forum about how to fill nitrogen to spheres that lack the valprex valve. I'm aware that the discussion itself is not useful to you due to the language barrier, but the pictures are quite self-explanatory.
http://www.sitruunapatonki.fi/forum/vie ... =9&t=10083
-Riku
Pressurising valveless spheres
Pressurising valveless spheres
Speechless quad lying flat on his bed, communicating by moving eyes.
BX Van 1.9D -90 Gone.
BX Van 16S -90 For sale.
BX Van 1.9D -90 (Earned!) Gone.
BX Break 1.9D -90 (officially a "5 seat van" since 2005) Waiting to be towed to a new home.
BX Van 1.9D -90 Gone.
BX Van 16S -90 For sale.
BX Van 1.9D -90 (Earned!) Gone.
BX Break 1.9D -90 (officially a "5 seat van" since 2005) Waiting to be towed to a new home.