FCS II Retro Keel Twin Fins Sale
Low aspect keel twin designed for fish shapes. Fast and loose with minimal drag.
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Overview
- Low aspect keel template designed for fish shapes with contemporary outlines and concaves.
- Lowest area keel in the FCS range.
- Feels fast and loose with minimal drag, and encourages a more progressive and radical approach to riding a fish.
Board Types
- Designed to fit the FCS II Fin System.
- Recommended for all board types including fish, funboard, and twin fin boards.
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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.
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Small - Medium
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 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
S/M 7.28 184.8 4.73 120.0 22.58 14565
38.3° 80/20
View the FCS Fin Data page for Base/Depth/Area/Foil information.
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Order Processing:
Most orders are processed within 1–3 business days (Monday–Friday).
Processing time does not include weekends or holidays.
Where Orders Ship From:
We work with a mix of in-house fulfillment and trusted partner suppliers.
Depending on the item, your order may ship from:
Southern California (One Revolver Surfboards HQ)
A partner warehouse through Shopify Collective
This helps us offer faster shipping and a wider range of high-quality products.
Shipping Details:
Tracking numbers are emailed automatically once your order ships
Delivery times vary by carrier and product type (usually 2–7 business days)
Multi-item orders may arrive in separate packages
Apparel, accessories & small items ship via USPS, UPS, or partner carriers
Surfboard Shipping:
Surfboards ship via freight carrier with full insurance
Boards are packaged securely for safe transit
Typical delivery time: 5–12 business days, depending on region
International Shipping:
Delivery times and rates shown at checkout
Customs and import fees may apply based on your country
If you have any questions about your order or tracking, feel free to reach out anytime at info@onerevolversurfboards.com.
