Guides
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US Box vs Swift Racing: Which Coastal Rowing Fin System Do You Need?
US Box and Swift Racing are the two main fin systems in coastal rowing. This guide explains the differences, which boats use each system, and how to choose. -
Coastal Rowing Fins: Complete Guide to Choosing the Right Fin
A complete guide to choosing the right coastal rowing fin — covering fin systems, sizing, performance trade-offs, and which fin fits each rowing style. -
Why Your Rowing Boat Needs a Better Fin
Most rowing boats ship with a basic stock fin. Here is why upgrading to a purpose-built coastal rowing fin improves tracking, reduces drag, and pays for itself in race performance. -
The Complete Guide to SUP Fins
Everything about SUP fins: how to choose the right size and shape, fix a drifting board, install a fin correctly, and upgrade to a race fin for touring and competitive paddling.
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The Complete Guide to Surfboard Fins
Everything you need to know about surfboard fins: FCS, Futures and US Box systems, thruster vs quad vs twin setups, materials and how to choose the right fins for your surfing.
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FCS II vs FCS I: What's the Difference — and Do You Need an Adapter?
FCS II and FCS I fins are not directly compatible. Here's what changed between the two systems, which fins fit which boxes, and how an adapter lets you run FCS I fins in FCS II boxes.
