I have am using the North Race Base (the one with the white cup) which has the euro pin type connection.
http://www.north-windsurf.com/en/rig...s/Tuning-Parts
Is this compatible with the Streamlined Redline Extension Euro Pin?
http://www.streamlined.us/baseextensions.htm
In theory it sounds like it should be ... but sometimes there are small differences with these components.