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chrispy said...I prefer a thruster set up in my longboards or a single when im on the points. going to give my upright Clearwater 7 another go in the whalebone instead of a single this weekend.

sp could you post a pic of what you use for a screw please mate...which again makes it hard as different fins use different sized threads
I just use a drill and make the fin screw holes all the same size...
The rubber o-ring makes sure they are tight anyway.
I just get them of EBay. Usually cheaper to get them from overseas.
Lacey I had the opposite fins to you in for a fair while 9s in the side and a s7 in the middle.
Went good in beachies, lots of drive and turned very easy but was a bit loose in the arse end when you came of the bottom hard.
My normal setup if the surf is ok is usually s5 sides with a 6" centre or JW FCS all around.
although lately I have just been using a 9" single in everything.. Cause I'm too lazy to change it.
I find the GL and GX don't give any drive of the bottom but do loosen it up a bit compared to single of the top. My current one came with a set and it went alright, the centre has a really wide base that I guess made up for it.