FCS II CI Upright Quad Rear Fin Set
Our best-selling CI Upright template is now available in quad rears.
- Performance
- Material
- Size
-
Overview
Designed by Britt Merrick, the CI Upright Quad Rears are shaped to pair seamlessly with the upright CI side fins. Featuring a neutral-raked template, they deliver a solid balance of control and stability while still allowing for tight, pivot-style turns. The 50/50 foil enhances directional control and confidence, making this set a reliable choice for surfers looking to fine-tune their quad set
- A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns
- A template that comes to life in punchy hollow waves, but also suit conditions where you need that start-up speed to get going.
- Neutral-raked template developed by Britt Merrick to work with upright CI side fins
- Provides control and stability, while allowing for tight pivot turns
- 50/50 foil provides stability and directional control
- Quad Rear (2 fins) set
Ideal Conditions
- Hollow steep waves, punchy beach breaks
Board Types
- Designed to fit the FCS II Fin System.
- Performance boards with relaxed rocker
- Designed for CI performance + hybrid models
Fin Family
- Quad: Carver
- A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns
-
Performance Core
Performance Core (PC) fins are made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions.
-
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)Fin Base (inches)
Base (mm)
Depth (inches)
Depth (mm)
Area (inches)
Area (mm)
Sweep Deg°
Foil
MED Side 4.39 111.4 4.59 116.4 15.04 9700 30.3° Flat MED Ctr 4.39 111.4 4.59 116.4 15.04
9700 30.3° 50/50 MED Q-Rear 4.04 105.1 4.17 108.4 11.70 7929 33.3° Flat LRG Side 4.50 114.2 4.70 119.3 15.79 10190 30.3° Flat LRG Ctr 4.50 114.2 4.70 119.3 15.79 10190 30.3° 50/50 LRG Q-Rear 4.14 105.1 4.27 108.4 12.29 7929 33.3° Flat View the FCS Fin Data page for Base/Depth/Area/Foil information.
-
Product Information
Product Information
Shipping & Returns
Shipping & Returns
FCS II CI Upright Quad Rear Fin Set
FCS II CI Upright Quad Rear Fin Set
Our best-selling CI Upright template is now available in quad rears.
- Performance
- Material
- Size
-
Overview
Designed by Britt Merrick, the CI Upright Quad Rears are shaped to pair seamlessly with the upright CI side fins. Featuring a neutral-raked template, they deliver a solid balance of control and stability while still allowing for tight, pivot-style turns. The 50/50 foil enhances directional control and confidence, making this set a reliable choice for surfers looking to fine-tune their quad set
- A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns
- A template that comes to life in punchy hollow waves, but also suit conditions where you need that start-up speed to get going.
- Neutral-raked template developed by Britt Merrick to work with upright CI side fins
- Provides control and stability, while allowing for tight pivot turns
- 50/50 foil provides stability and directional control
- Quad Rear (2 fins) set
Ideal Conditions
- Hollow steep waves, punchy beach breaks
Board Types
- Designed to fit the FCS II Fin System.
- Performance boards with relaxed rocker
- Designed for CI performance + hybrid models
Fin Family
- Quad: Carver
- A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns
-
Performance Core
Performance Core (PC) fins are made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions.
-
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)Fin Base (inches)
Base (mm)
Depth (inches)
Depth (mm)
Area (inches)
Area (mm)
Sweep Deg°
Foil
MED Side 4.39 111.4 4.59 116.4 15.04 9700 30.3° Flat MED Ctr 4.39 111.4 4.59 116.4 15.04
9700 30.3° 50/50 MED Q-Rear 4.04 105.1 4.17 108.4 11.70 7929 33.3° Flat LRG Side 4.50 114.2 4.70 119.3 15.79 10190 30.3° Flat LRG Ctr 4.50 114.2 4.70 119.3 15.79 10190 30.3° 50/50 LRG Q-Rear 4.14 105.1 4.27 108.4 12.29 7929 33.3° Flat View the FCS Fin Data page for Base/Depth/Area/Foil information.
-
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Our best-selling CI Upright template is now available in quad rears.
- Performance
- Material
- Size
-
Overview
Designed by Britt Merrick, the CI Upright Quad Rears are shaped to pair seamlessly with the upright CI side fins. Featuring a neutral-raked template, they deliver a solid balance of control and stability while still allowing for tight, pivot-style turns. The 50/50 foil enhances directional control and confidence, making this set a reliable choice for surfers looking to fine-tune their quad set
- A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns
- A template that comes to life in punchy hollow waves, but also suit conditions where you need that start-up speed to get going.
- Neutral-raked template developed by Britt Merrick to work with upright CI side fins
- Provides control and stability, while allowing for tight pivot turns
- 50/50 foil provides stability and directional control
- Quad Rear (2 fins) set
Ideal Conditions
- Hollow steep waves, punchy beach breaks
Board Types
- Designed to fit the FCS II Fin System.
- Performance boards with relaxed rocker
- Designed for CI performance + hybrid models
Fin Family
- Quad: Carver
- A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns
-
Performance Core
Performance Core (PC) fins are made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions.
-
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)Fin Base (inches)
Base (mm)
Depth (inches)
Depth (mm)
Area (inches)
Area (mm)
Sweep Deg°
Foil
MED Side 4.39 111.4 4.59 116.4 15.04 9700 30.3° Flat MED Ctr 4.39 111.4 4.59 116.4 15.04
9700 30.3° 50/50 MED Q-Rear 4.04 105.1 4.17 108.4 11.70 7929 33.3° Flat LRG Side 4.50 114.2 4.70 119.3 15.79 10190 30.3° Flat LRG Ctr 4.50 114.2 4.70 119.3 15.79 10190 30.3° 50/50 LRG Q-Rear 4.14 105.1 4.27 108.4 12.29 7929 33.3° Flat View the FCS Fin Data page for Base/Depth/Area/Foil information.
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