SumoSprings – Reducing RV Road Shock and Vibration

by | May 21, 2022

When we purchased our new Montana 5th wheel, we knew something had to be done to protect our investment. We have plenty of experience from the impact of rough roads we experienced with over 8 years of travel and 60,000 miles from our previous 5th wheel. Experience from the shock of pot holes, bridge access and departure, on top of the miles and miles of uneven Interstate concrete, found the constant impact either breaks or adds substantial wear to our RVs.

We started our investigation at the first of the year for a system that would significantly reduce the shock and vibration at the 5th wheel axle. We considered the complex installation of shocks or air bags to the 5th wheel axles, but finding the ease of installation, reasonable cost, and test data results for Super Springs International SumoSprings, we had to install these units on our Montana.

What are SumoSprings

SumoSpringsSumoSprings are made from a micro-cellular polyurethane. The springs are designed to remove road sway, hop, and vibration. The two key benefits for SumoSprings was no maintenance and the airless air springs increase of overall driver control and ride comfort when towing.

Our goal after the installation of the SumoSprings was to keep suspension rebound to a minimum when navigating rough roads for a much smoother ride.

SumoSprings trailer RV installations can be installed on various axle configurations including spring-over axle, spring-under axle, and for trailers frames that have springs off-set from the axles. For springs off-set from the axle, an optional contact plate is available from Super Springs for these installations.

A set of SumoSprings comes with all parts needed for a each axle – two micro-cellular polyurethane springs, all hardware with brackets, bolts, spacers, thread lock tight, even a gas line kit where trailer installations require moving the propane gas line to make space for the springs.

What Convinced iLoveRVlife We Needed SumoSprings

I was a large infrastructure engineer in the telecommunication industry for over 30 years. I held a number of roles where my teams were responsible for the entire communications of large cities and worldwide communications for some of the largest US based corporations and government installations. Part of our operations included labs to test products prior to use. I was impressed that Super Springs went steps above other RV suspension manufacturers scientifically proving their products work. Viewing their website, I found charts and a video showing their testing process and results. I was sold. Below are charts borrowed from SumoSprings showing performance of a trailer ride before and after spring installation.
SumoSprings Chart 1

SumoSprings Chart 2

SumoSprings Chart 3

The SumoSprings are easy to install and from our video, the springs reduce shock and road impact. Bottom line, SumoSprings by Super Springs work. We found SumoSprings to be affordable and easy-to-install giving our Montana 5th wheel a noticeable improvement when traveling rough roads.

Our thanks to Super Springs International for providing a set of SumoSprings for our evaluation.

installing SumoSprings
Helpful Links:
Although the charts above were impressive, see how the results were measured. Super Springs included this video.

SumoSprings for Trailers

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