Greenough 4A 9.75" Short Sleeve The double-concaved hull and hard

The double-concaved hull and hard rails make the board fast

WT1 Welded Mesh

Push back the lever from B to A position

Large Fin Specification Side Fins Center Fin Area 16

270 INCH DIAMETER XM POWER CORD

Greenough 4A 9.75" Short Sleeve The double-concaved hull and hardThere is a reason this is the most iconic, functional and versatile single fin available it works on just about anything! The Greenough 4 A has been our bread and butter for close to 40 years now, and is still the most popular single fin design there is. A truly well balanced fin the full base coupled with the tapering, moderately flexible tip provides a solid amount of drive off the bottom, and an acute responsiveness through arcing turns. Designed