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🌊 Ride smarter, not harder — the fin that fits your flow.
The SBS 8-inch Longboard & SUP Single Fin is a robust, glass-filled nylon fin designed as a direct replacement for most standard fin boxes on longboards and stand-up paddleboards. It features universal compatibility with 8.5" and 10.5" fin boxes, comes with a no-tool fin screw and plate for quick installation, and delivers reliable stability and control for surfing, noseriding, and flatwater touring. Trusted by riders seeking durable performance without the premium price tag.
| ASIN | B0145KHIYG |
| Age Range Description | Adult |
| Best Sellers Rank | #54,908 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #21 in Surfing Fins |
| Brand | Santa Barbara Surfing |
| Brand Name | Santa Barbara Surfing |
| Color | Black with Logo |
| Customer Reviews | 4.6 out of 5 stars 493 Reviews |
| Item Dimensions L x W | 120"L x 48"W |
| Item Weight | 0.25 Kilograms |
| Manufacturer | Santa Barbara Surfing |
| Manufacturer Part Number | SBS-5104 |
| Material | Fiberglass, Nylon |
| Material Type | Fiberglass, Nylon |
| Model Number | SBS-5104 |
| Operator Skill Level | All |
| Product Dimensions | 120"L x 48"W |
| Shape | fin |
| Sport | Surfing |
| Sport Type | Surfing |
| UPC | 029741495609 |
| Unit Count | 1.0 Count |
M**R
Great fit, good quality
Fits snug in the fin box. Surprised its a nice sturdy fin for such a low cost. I'm using it in a thruster setup with my board. Should give me the stability I need charging the big waves this winter.
H**Y
Good buying
Works great, easy to install and durable
B**A
Fits ISLE Pioneer 2 & 3 Inflatable SUP
Accidentally lost my iSUP fin on a paddle and reeeeeeally didn't want to spend $40 and an extra $20 for shipping on the branded fin. I was delighted to find this, it's a super simple swap for my ISLE Pioneer 2 Inflatable Paddle Board and pretty affordable. I actually ended up buying a few different sizes from this company to tailor to different paddling environments. I bought one for the deeper lakes for more stability and one for shallower lakes/ponds.
J**T
Just what we needed
This replacement was just perfect for our Boda board. It installed very easily. The support was great although we did not need to watch the video as it was so easy to do ourselves.
J**S
Longboard fin
Does the job, good fit, good alternative if you don’t want to pay for a more expensive fiberglass fin
B**T
It worked!
Fit perfect! Saved me lots of money
D**D
Feedback
They are good
S**C
sturdy fin - it's used everyday in Newport Back Bay
It arrived in a timely manner, sturdy fin - it's used everyday in Newport Back Bay, CA - I bought it to replace an old fin on a used Surftech SUP board. Fit in the fin channel with a little pushing - slight tight fit on my board but works well. We didn't want to accidentally damage the fin channel since it's a tight fit on our Surftech SUP so we used the old screw instead of the "thumb screw" they provide. It's long enough that it tracks well in the water. Both Adults and kids use the board that has the new fin on it. I will buy again when we need a replacement for the other boards we own.
T**.
Great product
Arrived as expected. Thanks.
Trustpilot
2 months ago
4 days ago