Choosing between five different setups can be sometimes confusing. Here’s a straightforward identification and explanation of each fin configuration. Although they are often overlooked, fins are an important variable in any surfboard. Without them, surfboards would be skimboards or bodyboards. So what are fins for? The goal of fins is to stabilize your surfboard and prevent it from skidding sideways while cutting through the water. The bigger the fins, the more they will dig into the wall of the wave.

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Surfboard fin setups: single, twin, thruster, quad and 4+1

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