Does what it claims to. Easy to install or
remove. Do not install if you will be going
over rocks, it does increase hull
vulnerability to abrasion. I just wish they
shipped the boat with a storage bag big
enough to hold the backbone.
A backbone is absolutely
essential, to make your inflatable
act more like a hardshell. Helps
slice through the water.
Honestly, there's no noticeable difference with the Backbone on flat lake or slow river water. It may be that the biggest benefit is in ripple or white water, which I haven't tried since buying the Backbone. If you are using your inflatable just on flat water, you can probably save your money.
Essential for the Advanced Frame. End of story.
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