Boom Racing Rock Monster Silicone Tire Inserts – 1.55″/1.9″ | CompetitionX

A couple months ago we talked about Boom Racing’s silicone tire inserts and why we thought they were a brilliant idea (see that here: Boom Racing Rock Monster Red Silicone Tire Inserts. Well, BR is at it again with 2 more inserts for 1.55″ and 1.9″ applications!

Both of these new inserts are color-coded for easy size-designation – the 1.55″ inserts are green while the 1.9″ inserts are yellow. Like their larger 1.9″ Red inserts, these have the same qualities as far as wear and compression specs.

What We Like:
Of course we love the fact that these inserts will continue to perform for years, not being affected by water or weather. These could very well be your ‘forever’ inserts and actually outlasting the tires they are in!

What We’re Not Sure About:
As stated with the Red inserts, we’re unsure of just how well the flex characteristics are going to be. Silicone seems like a pretty stiff substance which, really, is great for weighty rigs, but some might want a softer insert for more tire flex (easily done by putting in a different foam insert). Since these appear to be the ‘same’ silicone (with the color designating a width-difference), we’re really going to be interested in how they’ll perform on different terrain.

BRRM15504 Boom Racing Rock Monster Silicone Tire Inserts – Green 1.55″
BRRM19393 Boom Racing Rock Monster Silicone Tire Inserts – Yellow 1.9″

For more information, please visit: www.boomracingrc.com

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