Restoring rubber dumbbells

I bought this set of fully knurled REP dumbbells used on Facebook marketplace. They weren’t in perfect condition, but I’ve been buying and selling long enough to know how to restore equipment, so I bought them anyway.

Shortly after that I heard about an issue with a small batch of REP dumbbells released in 2020. Apparently people were receiving brand new dumbbells and they looked like this. It was acknowledged by REP and a lot of people got refunds or replacements.

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If you’re interested in seeing the step by step process of cleaning with along with my recommended cleaning supplies, check out the full article at Garagegymexperiment.com or check out the video below.