The Stand Up RTM Fin is built for recreational paddlers looking for a dependable fin that performs well across a range of conditions. With a balanced surface area and streamlined shape, this fin helps maintain a straight course while paddling, whether you’re on a calm lake, slow-moving river, or coastal bay.
Made using RTM (Resin Transfer Molding) technology, the fin offers a lightweight yet stiff construction that improves responsiveness and control. The US-Box mounting system ensures wide compatibility with most SUP boards on the market and allows for quick and easy tool-free installation using a single screw.
Whether you’re a beginner or a more experienced paddler, the Stand Up RTM Fin delivers consistent performance, durability, and ease of use – making it a trusted companion for casual cruising or touring sessions.
Notes: The manufacturer does not include a screw for the US-Box system. It should be purchased separately

Product highlights
LIGHTWEIGHT & STIFF RTM
RTM technology provides an excellent balance between durability and responsiveness
UNIVERSAL FIT
US-Box mount fits most SUP boards and is easy to install with a single screw
VERSATILE FOR ALLROUND & TOURING
Performs well in flat water and light touring conditions – ideal for lakes, bays, and rivers
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