The FCS II Matt Biolos PG Split Keel Quad Fin Set features Matt "Mayhem" Biolos’s specialty quad design, built with a high-area upright keel template for added bite and control. Ideal for modern fish and hybrid boards with wide tails, the set balances stability with pivoting capabilities. Crafted from Performance Glass (PG), these stiff fiberglass fins maintain flex integrity under extreme force, making them a trusted choice for advanced performance in demanding conditions. Designed to fit the FCS II Fin System.
Fin Size Detail
| Fins | Height | Base | Area | Sweep | Foil |
| Side Fins | 4.79" [121mm] | 4.63" [117mm] | 19.27"² [12432mm²] | 44.8° | Flat |
| Rear Fins | 4.40" [112mm] | 4.03" [102mm] | 12.63"² [8150mm²] | 28.5° | 80/20 |
Product Info
The FCS II Matt Biolos PG Split Keel Quad Fin Set features Matt "Mayhem" Biolos’s specialty quad design, built with a high-area upright keel template for added bite and control. Ideal for modern fish and hybrid boards with wide tails, the set balances stability with pivoting capabilities. Crafted from Performance Glass (PG), these stiff fiberglass fins maintain flex integrity under extreme force, making them a trusted choice for advanced performance in demanding conditions. Designed to fit the FCS II Fin System.
Fin Size Detail
| Fins | Height | Base | Area | Sweep | Foil |
| Side Fins | 4.79" [121mm] | 4.63" [117mm] | 19.27"² [12432mm²] | 44.8° | Flat |
| Rear Fins | 4.40" [112mm] | 4.03" [102mm] | 12.63"² [8150mm²] | 28.5° | 80/20 |
Product Details
- Fin Type: FCS II
- Size: L-XL
- Fins in Set: Four
- Fin Configuration: Quad
- Fin Configuration: Split Keel Quad
- MPN: FMBKPG02MDQS
Product Construction
Performance Glass (PG)
Performance Glass (PG) Construction characteristics and flex pattern are identical to traditional Fiberglass fins offering a stiff base with subtle responsive tip flex, amazing aesthetics and proven durability. PG fins are the perfect transition fin for surfers moving from fixed fins to the convenience, accuracy and performance of FCS.
Warranty
This product is backed by a warranty from the manufacturer. Click below for details on the warranty policy for FCS II products.
Returns
If you are not 100% satisfied with your purchase you may return it for a refund, or exchange within 30 days of receiving your order.
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