FCS II H4 Quad Rear Fins

FCS II H4 Quad Rear Fins
2 fin set

The H4 Quad Rear set allows you to combine the speed, power and control of the H4 thruster with the added drive of a quad. The Quad Rear profile is a similar hybrid outline to the sides. This minimises turbulence and provides a smooth and predictable feel. The revolutionary enhanced Quad Foils are designed to grip longer through turns and promote perfect rail-to-rail transitions.

The H4 looks and surfs different to any other fin. Precision Swiss engineering matched with a highly evolved template provides an unprecedented level of control and predictability at high speeds. The H4 is almost intuitive in the way it performs, when you initiate a turn the fins will work for you by supplying speed when you need it and then releasing at the ideal transition point. While the science behind the template, the materials and the foils are highly complex, each component of this fin has been engineered to create a simple synergy between the fin, the surfboard, the rider and the wave.

SPECS: MEDIUM QUAD REAR
Base: 4.08″/ 103.7mm
Depth: 4.23″/ 107.5mm
Area: 12.62″/ 8140mm
Sweep: 31.4deg
Foil: Transition Foil: Inside to 80/20

Construction:
* Precision Swiss engineered.
* High Density uni-directional carbon fibre
* Dynamic trailing edge.* Created using robotic automation with camera assisted quality for absolute accuracy.

A Basic Guide To Quad Rear Fins

In a quad fin set the Front fins control the drive and speed of the set, the quad rears add stability and control how easy it is to enter and exit turns. Smaller QRs make the set loose, larger QRs make it more stable.

If you have a 5 box surfboard and a thruster (3 fin) set of fins but wish to try riding it as a quad you simply need to buy a set of Quad Rears that you then use with the Sides from your thruster set.

QRs come in XS, Small or Medium – very rarely Large. If you usually use Large thruster fins you would still only use Medium QRs in a quad set as in most cases you are still going to want a reasonably loose feel to those turns.

QRs with flat foils give sharp snappy turns, 50/50 foils give smoother drawn out turns.

Some QRs can also be used as 2+1 Longboard/Mid-Length Side Bites in XS or Small sizes with FLAT or 80/20 foils – Medium QRs and 50/50 foils generally won’t work correctly.