Upright keel template designed for traditional fish shapes.
$110.00 USD
Overview
Board Types
Performance Glass
Performance Glass (PG) fins are machine cut from layers of solid fiberglass. These fins are stiff, and are widely used by pro level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations.
Medium - Large
New Sizing for Specialty Fins
You may notice new size ratings for our Specialty Fin Range. Previously, all Specialty Series fins were rated an XL. To better reflect fin sizing, we now have 3 new size categories: S-M, M-L, and L-XL.
Please refer to the Size/Fin Data tab on the product page to compare dimensions, or alternatively, you can find more information on the FCS Fin Data Page
| Fin |
Base (inches) |
Base (mm) |
Depth (inches) |
Depth (mm) |
Area (inches) |
Area (mm) |
Sweep Deg° |
Foil |
| M/L | 6.41 | 162.8 | 5.50 | 139.5 | 25.05 | 16160 | 32.8° | Flat |
View the FCS Fin Data page for Base/Depth/Area/Foil information.
I’ve used them in my 7’6 MR midlength. Happy medium of drive and pivot for a keel! I really like them!
Great fin - pivots well. Turned a Lost Hydra 41L boards meant to be a quad into a twinny Keel and this allows it to snap lips with pretty amazing release for a groveler. Little tough on backside snaps and/or backside in general, but alas, the plight of a twinny. Overall - great fin with great drive and excellent pivot for such a large drivey keel fin. I recommend if you are looking to loosen up a groveler.
Love these fins. Plenty of drive and hold but tall enough to allow you to do tighter arcs too.
The air core are a great material that seem to take a bit of weight out of the board and add a bit of buoyancy which helps in really small surf.
Awesome fins. Heaps of fun
You can’t beat the Modern Keel for a high performance twin. These things cut through water like a hot knife through butter but still hold tight when it’s time to go vertical!
