• 1. Provide stability: It can help surfers maintain balance on the board, reduce the risk of rollover, and make it easier to ride the surfboard.
• 2. Enhance maneuverability: It facilitates surfers to accurately control the direction of the board, achieve turning, changing direction and other actions, and improve the surfing experience.
• 3. Improve speed: Optimize the flow of water, reduce resistance, and enable the surfboard to achieve faster speed and better chase the waves.
• 4. Increase safety: give surfers more confidence in various wave conditions, reduce the possibility of losing control, and ensure surfing safety.
• 5. Adapt to different wave conditions: Different shapes and sizes of fins can adapt to various wave conditions, such as small fins for small waves and large fins for large waves, meeting the different needs of surfers.