---
product_id: 72657840
title: "saruSURF9\" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw"
brand: "sarusurf"
price: "NT$2123"
currency: TWD
in_stock: true
reviews_count: 3
url: https://www.desertcart.tw/products/72657840-sarusurf9-us-box-center-fin-safety-flex-soft-replacement-longboard
store_origin: TW
region: Taiwan
---

# No-tool installation 9" fin size Safety flex design saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw

**Brand:** sarusurf
**Price:** NT$2123
**Availability:** ✅ In Stock

## Summary

> 🌊 Ride the Wave of Safety and Flexibility!

## Quick Answers

- **What is this?** saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw by sarusurf
- **How much does it cost?** NT$2123 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/72657840-sarusurf9-us-box-center-fin-safety-flex-soft-replacement-longboard)

## Best For

- sarusurf enthusiasts

## Why This Product

- Trusted sarusurf brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Designed for beginners and kids, this fin minimizes injury risks while surfing.
- • **Adventure Ready:** Ideal for challenging conditions like white water and shallow reefs.
- • **No Hassle Installation:** Easily adjust your fin position without any tools, even on the water!
- • **Universal Compatibility:** Perfectly fits most longboards and SUPs with AIR7 or US box fin systems.
- • **Findestructible Flexibility:** Experience the ultimate in durability with our 'findestructible' fin!

## Overview

The 9" Safety Flex Soft Fin by saruSURF is a revolutionary replacement fin designed for longboards and SUPs. Engineered to be nearly indestructible, it features a no-tool installation system for effortless adjustments. This fin prioritizes safety, making it perfect for beginners and kids, while also catering to advanced surfers tackling challenging waters. With a 12-month warranty, it’s the ultimate choice for any water sports enthusiast.

## Description

saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw

## Features

- SAFETY FLEX SOFT 9" FIN - under most conditions : impossible to break , 12 month warranty , we call the fin "findestructible" !
- STAINLESS STEEL no tool FIN SCREW included, saruSURF brand US box center fin, fin screw included, no need to screw drivers, adjust your in position (forward, backward, take it off) anytime even out on the water!
- FOR LONGBOARD , SUP AND INFLATABLE SUP (all brand inflatable sup boards and foam surfboards with AIR7 fin box or US box - contact us to confirm if not sure) suitable for use with most longboard / (stand up paddle) SUP / airSUP. most long board and stand up paddleboards use the universal fin system, which can take this replacement fin.
- GREAT FOR BEGINNER AND KIDS : 1st time surfing can be dangerous, usually the fin is the sharpest part of you board, with this fin you can feel safer - the fin will bend and flex more and is harder to hurt yourself and others
- GREAT FOR SURFER AND ADVANCED SUP : surf dumping shore breaks, shallow reefs. On your SUP : challenge white water, low level streams, river runs and fly fish in shallow lakes. This fin is flexible , in most conditions will not break, and less likely to break out your board's fin box!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age Range (Description) | Adult |
| Strap Type | Ankle |
| Manufacturer | saruSURF |
| UPC | 651866922953 |
| Item Package Dimensions L x W x H | 10 x 7 x 0.3 inches |
| Package Weight | 0.18 Kilograms |
| Brand Name | saruSURF |
| Warranty Description | 1 yer warranty |
| Model Name | SSFF9Surf |
| Suggested Users | unisex-adult |
| Part Number | SSFF9Surfv2-FLEX |
| Included Components | Center fin |
| Size | 9" |

## Images

![saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw - Image 1](https://m.media-amazon.com/images/I/61Eh6Hz0u0L.jpg)
![saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw - Image 2](https://m.media-amazon.com/images/I/719XPb9gHcL.jpg)
![saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw - Image 3](https://m.media-amazon.com/images/I/71yTN-qKvLL.jpg)
![saruSURF9" US box center fin Safety Flex Soft replacement for longboard SUP Stand up Paddleboard River Surf Whitewater airSUP AIR7 Skeg with 'No-Tool' Fin Screw - Image 4](https://m.media-amazon.com/images/I/511Kw3aFyQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Quality.
  

*by T***G on Reviewed in the United States on June 2, 2021*

Perfect fit for my inflatable SUP Voyager with Air7 fin box. Came with quality fin screw too.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Replacement fin for SUP
  

*by J***Y on Reviewed in the United States on March 26, 2019*

Easy to install and fit perfectly.

### ⭐⭐⭐ 







  
    ボードによっては加工が必要
  
  

*by 野***築 on Reviewed in Japan on October 26, 2023*

幅が広く加工しないとレールに入らない。

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**Shop now:** [https://www.desertcart.tw/products/72657840-sarusurf9-us-box-center-fin-safety-flex-soft-replacement-longboard](https://www.desertcart.tw/products/72657840-sarusurf9-us-box-center-fin-safety-flex-soft-replacement-longboard)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-27*