The fin is simply pushed into the fin box and secured with the small pin on the strap. Compatible manufacturers are for example for F2, Fanatic, Bluefin, Red Paddle, Makaio, Mistral. Suitable for all boards that have a US Box System mount.
eBay
9.5 inch surf fin/sup fin/paddle fin/Longboard Center Fin Single Fins Nylon Plastic Surf Fins Black/White color
Aliexpress UK
Slide-in Nylon Surfboard Central Fin Surf Plate Canoe Stand Up Paddle Board Center Fin Water Sports Surfing Board Accessories. Auxiliary surfboard, canoe balance stability and water breaking. 1 X Surfboard Central Fin.
eBay
Paddleboard Fin Replacement Inflatable SUP Stand Up Paddle Board Accessories Quick Lock Fins Center/Side Fins
Aliexpress UK
【Easy to Install】: Our paddleboard fin is easy to install to kayak to divide water and decrease water resistance. It is easy to attach and to remove without any tools. 【Wide Application】: The paddle board fin is suitable for longboard, surfboard, and stand up paddleboard, and provides good hold in both flat water paddling and turning around.
eBay
Paddleboard Fin Replacement Inflatable SUP Stand Up Paddle Board Accessory Quick Lock Fins Center Side Fins
Aliexpress UK
Made of high quality nylon material, durable, sliding and locking fins make it a removable inflatable paddle center fin. It can strengthen the fixation of the water distributor and the base, making the fins more firm and easy to disassemble or assemble.
eBay
AQUA MARINA BLUEDRIVE POWER FIN 12V Battery Electric Fin Stand Up Paddle Board push motor SUP Surf Kayak surfboard propeller
Aliexpress UK
This design feature enhances convenience and extends the lifespan of your gear. Included: 1x Paddle Board Fin. Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures.
eBay
Surf Fin F Type For Surfing Board/Long Board/SUP Board/Paddle Board Surf Tail Fin Side Fin
Aliexpress UK
1 x Surfboard Fin. Practical Detachable Surfboard Fin Surfboard Tail Fin Surfboard. 4pcs Water Stabilizer Surfboard Water Separator Paddle Board For Sup Surfboard. Water Stabilizer Surfboard Water Separator Paddle Board For Sup Surfboard Water.
eBay
SUP Fin Surf Water Wave Fin Sup Board SUP Accessories Stablizer Stand Up Paddle Board Surfboard Slide-in Central Fin
Aliexpress UK
The fin is simply pushed into the fin box and secured with the small pin on the strap. Compatible manufacturers are for example for F2, Fanatic, Bluefin, Red Paddle, Makaio, Mistral. Suitable for all boards that have a US Box System mount.
eBay
SUP board Accessories SUP Fin Stablizer Stand Up Paddle/Inflatable Board Surfboard Slide-in Central Fin Side Fin
Aliexpress UK
Slide-in Nylon Surfboard Central Fin Surf Plate Canoe Stand Up Paddle Board Center Fin Water Sports Surfing Board Accessories. Auxiliary surfboard, canoe balance stability and water breaking. 1 X Surfboard Central Fin.
eBay
High Power Thrust Surfboard Electric SUP Electric Fin Surfboard Power Fin Paddle Board Fin
Aliexpress UK