K4 Fins Leon Rears Size:13cm Super Stiff A mere split second softer

A mere split second softer than our Ninety Pro

Not even in the hardest conditions and during thetoughest moves

Honeycomb core

it is a subtle addition that won't bother you while riding

Combining CFD analysis with expert insight allowed us to tune each section of the mast from base plate to fuselage connection for maximum efficiency

K4 Fins Leon Rears Size:13cm Super Stiff A mere split second softerThe Leon fin. Leon Jamaers signature fin. Super fast and loose. Ride like Leon! Upright template gives better pivot for in the pocket riding, small tip for speed, wide base for drive. Works well for all fin configurations and in all conditions. Available in two constructions; Dynamic Flex for the classic K4 loose and grippy feel, or Super Stiff for that G10 direct and responsive style.