How does this work ? Is it a friction brake ?

The block attaches to your cable 30' away from your ending tree. Once it is bolted in place, it is designed to slide freely back and forth. You attach one end of a 20' bungee cord to the block and the other end needs to attach to a tree/post 15' perpendicular to your cable. When the rider comes down the zip line, they hit the block and both the rider and the block continue down the line until the bungee cord is fully stretched. Once they get to the end of the zip line, the bungee cord recoils, sending the rider back to the 30' mark, where that becomes the end of the ride. Coincidentally, this is the same location your sag is calculated, making it the lowest point of your cable, making it ideal for unloading. I hope this is helpful.

Can this be added to an existing zip line?

Yes, this can be easily added to existing zip lines. The 20 Ft Bungee works great with lines from 100 FT - 200 FT, the 30 FT Bungee works for lines that are 200 FT - 500 FT. Generally you need to have at least a 100 FT zip line to make using a bungee brake worth it. Shorter zip lines can utilize a Spring Brake.

Can you give the dimensions of the block?

Block Measurements: H 2.75" W 2.75" L 4.50"

What is the name of the Knot used to secure the bungee to the carabiner?

This is a simple overhand knot.

Bungee Brake Kit 20ft | Desertcart Denmark

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Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Stop in style—ride smooth, ride safe with Zip Line Gear!

READY TO INSTALL KIT - Includes all hardware and a detailed safety handbook—get your zip line up and running fast.
ROCK SOLID ANCHORING - Beefy 3/8" eye lag screw and backup cable sling ensure your setup stays secure and reliable.
SMOOTH CONTROLLED STOPS - Heavy-duty rubber bumper cushions every ride for ultimate safety and comfort.
DURABLE HEAVY DUTY DESIGN - Metal hardware and premium rubber materials built to withstand the thrill of every ride.
BUILT FOR ZIP LINES UP TO 200 FT - Optimized 20FT bungee cord designed to handle mid-length zip lines with ease.

The Zip Line Gear Bungee Brake Kit (20FT) is a heavy-duty, ready-to-install braking system designed for zip lines up to 200 feet. Featuring a robust 1/2" bungee cord, a large impact-absorbing block with rubber bumper, and all necessary metal hardware including quick links and an eye lag screw, this kit ensures smooth, controlled stops and secure anchoring. Complete with a comprehensive safety handbook, it’s engineered for durability and ease of installation, making it the go-to choice for thrill-seeking professionals who demand reliability and performance.

Specifications

ASIN	B07GT8ZVMN
Best Sellers Rank	814,727 in Toys & Games ( See Top 100 in Toys & Games ) 840 in Gym Sets & Swings
Brand Name	Zip Line Gear
Colour	Black
Customer Reviews	3.6 3.6 out of 5 stars (44)
Fastener Type	Quick Links, Eye Lag Screw
Hardware Material	Metal
Item Dimensions L x W	6.1L x 0.01W metres
Item Weight	2.2 Kilograms
Line Weight	20 FT bungee cord's line weight is suitable for zip lines up to 200 FT long
Manufacturer	ZIPLINEGEAR
Manufacturer Part Number	BSB
Material Type	Rubber
Model Number	BSB
Number of Items	2
Number of Pieces	1
Other Special Features of the Product	Bungee Cords with Hook
Product Style	Heavy Duty
Size	20'
Strap Type	Adjustable
UPC	076625987576
Unit Count	1.0 count

Reviews

P**I

Works perfectly. What a great idea!

31.07.2021

B**N

Worked great for one month. Cable line eats through the plastic block. A lot of money for one month of use.

4.03.2026

E**C

I bought this as an upgrade to a zipline kit. its way better than a spring break if you have a tree to tie it to. If you are on the fence about buying it, just go for it. Its a much smoother stop than the spring break.

19.08.2024

K**T

Great product. Much better than the spring stop! If you don’t have a tree the correct distance away, might want to get more of the special 1/2” shock cord. The provided steel ring screw bends easy. Might want to get a heavy duty ring anchor. Then again, the slope of our zip line is greater than 3°.

1.04.2024

M**N

Works well, but the zipline cable eats through the rubber stop in about 15 uses and then you van throw it in the bin.

9.05.2025

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