How to adjust if Raptor 2.1 is not showing up to 49 KM/H speed in FOCBOX UI?

Following are the steps which you might need to follow

Step 1: Connect your Raptor 2.1 to the FOCBOX UI App using Bluetooth or USB

Step 2: Goto the “HUD” tab and click the Gear Icon.

Step 3: Change the value written in front of Test ERPM -> RPM to 10 if it’s above or below it.


Step 4: Click OK and throttle check your board.

That’s it!

Note: 30 MPH = 48.28 KM/H

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