O'Brien Alpha Wakesurf Fins | O'Brien Watersports
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O'Brien Alpha Wakesurf Fins

Change It Up

The Alpha Fin series was built for versatility. Whether you are looking for a little extra hold on your skim style boards or some extra stability as a trailer fin for surf style performance, the Alphas have got you covered.


  • Fiberglass reinforced nylon construction - Lightweight and durable
  • 50/50 Foil - Enhances stability and control while delivering a smooth feel on the water
  • Compatible with FCS fin boxes
  • Available in three sizes - 1.4", 1.8", and 2.9"
  • Sold individually

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