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Do you have any fiberglass fins (tri fin set) for the old FCS 1?
We currently do not sell any Tri- fin fiberglass fin sets for an FCS 2 tab system.
Do these fins work for a FCS 1 system?
The FCS M5 tri fins work with the FCS fusion systen and the X-2 system. They are the 2 tab fin system.
Does this come with 3 fins?
Yes a tri fin set is 3 fins, also known as a thruster.