On Saturday, 26 May 2018 16:34:36 UTC+3, Senna Van den Bosch wrote:
I'm trying to find a good lubricant for assembly, available in Europe. Any ideas? Currently using regular vaseline.

I have never heard anyone having problem with regular vaseline. You need basically something to keep water of the bare metal surfaces. There is no high-friction or high-temp environment in glider use.