I have an Older Bud that I bought of ebay. It had a 550 motor and a flex in the stock tube. I just swapped out the motor with a 9L I had laying around and a 60 amp ESC. It ran pretty good on 3S lipos and a Y535 prop. I just swapped the ESC for a 100 amp as I am going to run 4S now. Haven't had a problem with the small flex yet. We'll see in the next few weeks. If I do, I'll just put the straight shaft back in as they sent me that as well.
Government Moto:
"Why fix it? Blame someone else for breaking it."
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