Universal Knuckle Mastfoot - RSX/Fanatic/Mistal/Bic/Starboard area-4-5-m2 With four sizes this boom

With four sizes this boom spans a great range of sails and has been a favorite with a vast number of riders for a long time

The Custom 4 Pro is the ultimate Pro Model custom wave board

In a no compromise design

The XA is suitable for everybody because we only want you to hold the very best in your hands

Full PVC construction

Universal Knuckle Mastfoot - RSX/Fanatic/Mistal/Bic/Starboard area-4-5-m2 With four sizes this boomUniversal Knuckle Joint Mastfoot Fits most modern with a sliding mast track . RSX Phantom Race Fanatic Cat Mistral Equipe Bic ( models with Red lever) NOTE If you are not 100% sure if this will fit then please send us a picture of the mast track in your board so we can check for you !