Matt 'Mayhem' Biolos's 'MB' shaper fin. High area specialty quad set adds bite and control. Upright keel template designed for traditional fish shapes as Matt 'Mayhem' Biolos's specialty quad fin set. High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Designed to fit the FCS II Fin System and recommended for all board types including modern fish and hybrid models with moderate-to-low rocker.
Product Info
Matt 'Mayhem' Biolos's 'MB' shaper fin. High area specialty quad set adds bite and control. Upright keel template designed for traditional fish shapes as Matt 'Mayhem' Biolos's specialty quad fin set. High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Designed to fit the FCS II Fin System and recommended for all board types including modern fish and hybrid models with moderate-to-low rocker.
Fin Size Details
Side Fins
- Base: 4.63" [117mm]
- Depth: 4.79" [121mm]
- Area: 19.27"² [12432mm²]
- Sweep: 44.8°
- Foil: Flat
Rear Fins
- Base: 4.03" [102mm]
- Depth: 4.40", [112mm]
- Area: 12.63"², [8150mm²]
- Sweep: 28.5°
- Foil: 80/20
Product Details
- Size: Medium
- Fin Type: FCS II
- Fins in Set: Four
- Fin Configuration: Split Keel Quad
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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