Alien Large Rudder. Model: Single large rudder + screws & washers. Weight: 260g/pc. Color: Black.
eBay
SUP Fin New Style Stand Up/Paddle/Inflatable Board Surfboard Central Fin Water Sport
Aliexpress UK
1Pcs Side Fin.
eBay
3" Black US Box Center River & Surf SUP Fin With Screws Safety Flex Soft for SUP Longboard airSUP
Aliexpress UK
Model: Single 2nd Generation Unconventional Large Fin (No Screw Fixation Required). Material: PVC + Fiberglass Reinforced. Colors: Orange-Red, Green.
eBay
Electric Sup Fin Motor Paddle Board Kayak Surfing Propulsion Surf Quality Drive Long Battery Accessories Surfboard Fins Play
Aliexpress UK
Suitable for longboard / surfboard / stand up paddle board. Suitable for longboard / surfboard / stand up paddle board. Slide and lock fin box system, removable center fin for inflatable paddle boards.
eBay
6Pcs SUP Fin Insert and Surfboard Base Pin Holder Water Sports
Aliexpress UK
It can effectively increase the stability and handling of the surfboard. Unique curved streamline design, suitable for surfboards and canoes.
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7/8/9/10 Inch Surf Fin Honeycomb Fiberglass SUP Board Fin For Surfboard Longboard Surfing Water Sport Accessories
Aliexpress UK
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Longboard Fin Fiberglass 7/8/9/10.25/11inch Single Fin 1pc Surf Fins For Sup Central Surf Fin Multicolor Surfboard Fin quillas
Aliexpress UK
Mount Fin box included for easy installing and no tool needed. 1 Piece Soft Top Fin. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Surfboard Single Fin Fibreglass 6"/7"/8"/9"Fins SUP Board Quilhas Fins UPSURF logo central fin carbon mid fins
Aliexpress UK
Good tool for surfboard. Fin Mounting Points Surfboard Tail Rudder Surfboard -fin Surfboard Boat. 1 x surfboard accessory. 3pcs Clip-on Design Reinforced Surf Fin Canoe Surfboard Fins for Surfboard.
eBay
6.5/8/9.5/10 inch Surf Fin SUP Single Center Fin Nylon Long Board Surf Board Paddle Board With Fin Screw Surfing Accessories
Aliexpress UK