In addition to CDI fins looking pretty damn cool, there are two major engineering advantages over other fins on the market:

1. They functionally move through the water better

2. They are significantly stronger than standard non-aluminum fins.

Based upon extensive testing, CDI has come up with a number of basic fin design theories. Before we explain how our fins out perform any other wakeboard fin on the market, there are some basic physics of fins and wakeboards that need to be explained.

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