---
product_id: 369388719
title: "NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable"
brand: "ntr"
price: "AR$128548"
currency: ARS
in_stock: true
category: "Ntr"
url: https://www.desertcart.com.ar/products/369388719-ntr-zipline-spring-brake-extra-long-6-6ft-kids-backyard
store_origin: AR
region: Argentina
---

# Tool-free installation in under 2 minutes Supports riders up to 350 lbs safely 6.6ft high-strength stainless steel spring NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable

**Brand:** ntr
**Price:** AR$128548
**Availability:** ✅ In Stock

## Summary

> 🚀 Stop in style: The ultimate backyard zipline brake for fearless fun!

## Quick Answers

- **What is this?** NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable by ntr
- **How much does it cost?** AR$128548 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/369388719-ntr-zipline-spring-brake-extra-long-6-6ft-kids-backyard)

## Best For

- ntr enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Setup:** No tools required—install in just 1-2 minutes and get your backyard adventure started
- • **Versatile Compatibility:** Fits 3/16 to 3/8 inch cables, perfect for kids and adults up to 350 lbs
- • **Heavy-Duty Stainless Steel:** Corrosion-resistant spring built to last through all seasons
- • **Precision Compression Brake:** Engineered to stop ziplines up to 200ft with optimal 2°-3° slope safety
- • **Seamless Rubberized Stoppers:** One-piece injection molding ensures zero cracks or gaps for ultimate durability

## Overview

The NTR Zipline Spring Brake is a premium 6.6ft heavy-duty compression spring brake system designed for backyard ziplines up to 200ft. Crafted from polished stainless steel with integrated rubberized stoppers, it supports riders up to 350 lbs safely on gentle slopes. Its tool-free, quick installation and weather-resistant build make it the go-to choice for durable, reliable zipline braking.

## Description

desertcart.com: NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable : Toys & Games

## Features

- 【Professional Zipline Brake】Suitable for zip lines less than 200ft, compatible with 3/16, 1/4, 5/16, 3/8 inches diameter zipline cable/wire. Our one piece zipline spring brake can protect adults whose weight is within 350lb on the safe slope 2°to 3° of the ground（drop rang 3%-5%). If the zipline wire lenght more than 200ft or the ridder weight more than 350lb, two, three or four springs can be added to your zip line for additional stopping power.
- 【Compression Zipline Spring】It is not the length of the spring, but the compression force of the spring that really determines whether to brake in time to ensure safety. Our 6.6ft extra long high-strength compression stainless steel spring is a great addition to your backyard zipline. Our Upgrade sturdy stainless steel spring has longer service life, which is more weather resistant than other bungee brake.
- 【Superb Craftsmanship】Unlike the others, Our rubberized stoppers was One-time injection molding with no cracks and gaps. The spring and the rubberized stoppers are firmly bonded together that you don't have to worry about the damage caused by thermal expansion and contraction in spring, summer, autumn and winter.
- 【Easy to Install】Without any tools Just feed the zipline cable through the rubber ends of the spring brake and you are ready for installation within 1-2 minutes without any tools.
- 【Great Value and Full warranty】We have improved the manufacturing process of the spring, the production cost is drastically reduced while ensuring the quality. It will safety for both kids and adults. If you are not completely satisfied with your purchase, please feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099K1HH9C |
| Best Sellers Rank | #123,158 in Toys & Games ( See Top 100 in Toys & Games ) #178 in Playground Equipment Parts & Hardware |
| Brand Name | NTR |
| Color | Spring Brake 6.6ft |
| Customer Reviews | 4.5 4.5 out of 5 stars (517) |
| Finish Type | Polished |
| Frame Material | Stainless Steel |
| Item Dimensions D x W x H | 12.43"D x 8.99"W x 3"H |
| Item Type Name | 1 |
| Item Weight | 581 Grams |
| Manufacturer | NTR |
| Manufacturer Part Number | 1 |
| Material Type | Stainless Steel |
| Maximum Compatible Number of Seats | 1 |
| Maximum Weight Recommendation | 350 Pounds |
| Model Number | spring brake 6.6ft |
| Required Assembly | No |
| UPC | 612789343171 |

## Product Details

- **Brand:** NTR
- **Color:** Spring Brake 6.6ft
- **Item Weight:** 581 Grams
- **Material:** Stainless Steel
- **Product Dimensions:** 12.43"D x 8.99"W x 3"H

## Images

![NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable - Image 1](https://m.media-amazon.com/images/I/71H16i-nqoL.jpg)
![NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable - Image 2](https://m.media-amazon.com/images/I/71B6EW6PjCL.jpg)
![NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable - Image 3](https://m.media-amazon.com/images/I/71LvTxtwerL.jpg)
![NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable - Image 4](https://m.media-amazon.com/images/I/71E57Epsc4L.jpg)
![NTR Zipline Spring Brake Extra Long 6.6FT, Kids Backyard Heavy Duty Zip Line Brake System/Stop/Stopper, High-Strength Compression Stainless Steel Spring, Ziplines Parts for up to 3/8 Inch Cable - Image 5](https://m.media-amazon.com/images/I/71SVq-8PCyL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: If the zipline brake is enough strong to stop riders safely?**
A: Dear Customer
Thanks for your question.
This spring brake ,5.3ft length , can stop riders whose weight is within 350lb on the safe slope 2°to 3° of the ground（drop rang 3%-5%).

**Q: Will this spring brake rust easily?**
A: Dear customer,
Thanks for your question.
Our spring brake won't rust easily, because it is covered antirust oil. it will last as long as the cable it is on.

**Q: Can it be installed on an existing zip line?**
A: The existing zip line will have to be disconnected at the end where the brake coil is to be installed. The coil is fed over the end of the zip line cable before the cable is reconnected.

**Q: What is the weight limit for this brake?**
A: It need to consider the weight limit of your zip line firstly. For this sping brake, I think it can stop 350 pounds well.

## Frequently Bought Together

- NTR Zipline Spring Brake,Brake Zip Line, Zip String 6.6FT Extra Long High-Strength Compression Stainless Zip Line Spring, Steel Ziplines Brake, Zipline Brake System/Stop/Stopper, Zipline Parts
- Fusion Climb Z-Max
- Fologtoo Zipline Seat for Kids and Adults, Zip Line Replacement Seat for Kids and Adults, Zip Line Accessories with Carabiner & Adjustable Nylon Rope

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**Shop now:** [https://www.desertcart.com.ar/products/369388719-ntr-zipline-spring-brake-extra-long-6-6ft-kids-backyard](https://www.desertcart.com.ar/products/369388719-ntr-zipline-spring-brake-extra-long-6-6ft-kids-backyard)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-07-30*