I have 3 x SR1+ and 1 x SR1. The SR1+ have been faultless and I run them every week. The SR1 had a problem when new but was replaced free under warranty. I then plugged it in backwards a year later out of warrentyand blew it up (my fault) and it was replaced with a new one for only 50% of the cost of a new one.
I like them, very smooth and powerful are programmed by a button on the ESC rather than an external box or PC connection, I always run the factory settings as they suit me.
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