If you have questions about setting up your zip line or planning your next install, please give us a call, or shoot us an email at the address below.

If you have questions about setting up your zip line or planning your next install, please give us a call at the number below.

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ZipLineGear Knowledge Base

The maximum allowable slope is 3% (3&#x2019; feet drop per 100&#x2019; feet) for zip lines that will not utilize a braking system. Please carefully review how to calculate slope &amp; sag in the Zip Line Gear handbook included with your purchase. &#xA0;Alternatively, you can review the information in the digital version of our handbook&#xA0;<a href="https://www.ziplinegear.com/pages/how-to-build-a-zip-line-section-one-concepts" style="margin: 0px; padding: 0px; color: rgb(32, 36, 48); text-decoration: underline; transition: all 0.3s ease 0s; opacity: 1; font-family: Arial; font-size: 14.666666984558105px; white-space: pre-wrap;">right here.</a>&#xA0;

The maximum allowable slope is 3% (3’ feet drop per 100’ feet) for zip lines that will not utilize a braking system. Please carefully review how to calculate slope & sag in the Zip Line Gear handbook included with your purchase.  Alternatively, you c

Do I need a braking system?

Frequently Asked Questions

When does my order ship?

How do I make a return?

How do I measure elevation change in my yard?

How do I figure out the slope for my zip line?

How do I measure Sag?

How do I know where to attach the zip line cable to trees?

I don’t have trees! Can I use posts?

How do I set up the bungee brake system?

Can I use a spring instead of the bungee brake system?

Can I use a bungee brake if I’m landing in a tree house?

Do you ship internationally?

Where are you located?

Do I need a harness or will a seat work?

How do I know if my zip line is tight enough?

Do you install?

Shipping FAQ

Returns FAQ

Shipping and Returns

Boomerang Trolley product overview

Boomerang: Charging and swapping batteries

Boomerang: How to power your Boomerang on and use the transmitter

Boomerang: How to install on cable

Boomerang: Drive wheel tuning

Boomerang: Driving instructions

Boomerang: Drive wheel swap

Boomerang: Attaching a seat or harness

Boomerang: Storage

Boomerang Installation and Use

Rerun: Product overview video and installation example

Rerun: Mounting on cable

Rerun: Attaching a counterweight

Rerun: Attaching the return line

Rerun: Testing and tuning counterweight travel

Rerun: Troubleshooting notes

Rerun: Travel chart

Rerun Installation and Use

Do I need a braking system?Updated 3 years ago