FCS II Mayhem PC Quad Rear Fin Set-Blue-Medium

FCS • SKU 9340935088966
$92.00
Only 4 left
Complete Your Setup

Save 15% when you add a board

Pair this item with a surfboard or kite surfboard and save 15%. No code needed—discount applies automatically in your cart.

Free Shipping
Free shipping on $100+ Excludes boards and oversized items. Shipping Details →
Backed by REAL
30-day Returns + Exchanges Full tracking on every order Details & FAQs →

Product Information

Description

From FCS

Developed by shaper Matt Biolos, the Mayhem Quad Rears are designed to perfectly complement the raked Mayhem side fins.

Performance

Built for performance, this set delivers maximum speed, drive, and control when surfed as a quad. The 80/20 foil allows for smooth, responsive turns while maintaining stability and flow through carves, giving surfers the confidence to push hard in all conditions.

Features
  • Template developed by Matt Biolos to work with the raked Mayhem side fins
  • Provides maximum speed, drive, and control in a quad set
  • 80/20 foil promotes easy turning with stability and flow when carving
  • Quad Rear set includes 2 fins
Fin Family

Reactor: Find Speed. Speed, tight turns & snaps.

Ideal Conditions

A wide range of conditions, particularly good in critical overhead waves.

Board Types
  • Designed to fit the FCS II Fin System
  • Performance shortboards and hybrid models
Material

Performance Core Carbon, often referred to as PC Carbon or PCC, is highly responsive and features strategically placed carbon that’s designed to complement the fin template. PCC fins suit fast surfing and are favored by power surfers who like to perform explosive turns on critical parts of the wave.

Size
Size Surfer Weight Material Color
Medium 65kg - 80kg / 145 - 175 lbs PC Carbon Blue
Large 75kg - 90kg / 165 - 200 lbs PC Carbon Red
Specs
Specification Value
Fin Setup Quad Rear
Included Fins 2 fins
Fin System FCS II
Construction Performance Core Carbon / PC Carbon
Base 4.03" / 102.2 mm
Depth 4.40" / 111.8 mm
Area 12.63" / 8150 mm
Sweep 28.5°
FCS

Explore FCS

FCS designs high-performance surf hardware and accessories—from fins to traction—focused on enhancing control, speed, and connection between surfer and board across all conditions.

Shop All FCS

291 items ready to ship

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

You recently viewed

Clear recently viewed