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6,014 Posts
Hey extreme I just installed my new mammpth boulder wheels less than a month ago and I love them, but what is this?
It looks like the wheels are just getting dirty. Have you tried any sort of cleaner on them? Or even just soap and water? An aluminum polish would also help to clean them up. Let me know how it goes and if I can do anything for you!


14 Posts
Are you using a Tire cleaner / spray? It looks similar to the mix of dirt and brake dust that those sprays lift off the rubber. If left to drip dry, they can leave those streaks on your wheels. I had it happen on mine as well, I was able to clean it off over time and make sure that there is no over spray and or that I wipe the wheels down after cleaning the rubber.
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