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- Sun Jul 21, 2019 5:19 pm
- Forum: Ninebot ES
- Topic: ES4 top speed questions. it brakes at 21mph?
- Replies: 21
- Views: 3953
I wanted to add that I'm also having this problem with my ES4. I flashed it to both 1.3.3 and 1.3.9 and while the MPC definitely changed it still applies brakes when accelerating downhill past ~19 mph. With both firmware versions I had the max speed set to 40kmph, so I would think that I wouldn't ge...