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Showing results for tags 'msuper3'.
Hello. Previously I had Ninebot One for 2 years, and I just received the MSuper V3. Before buying it I watched many reviews. Now I have a problem/question about it. The wheel makes very high pitch high-frequency noise, almost like an ultrasound whistle. Here is a link to the video: https://goo.gl/65cTrX I asked about it the seller, and they say it's normal because of the high motor power. However, the noise is very annoying and is noticeable even outdoors. Is this indeed normal? Please advice, much appreciate any help.