Let the madness begin

[Bogda89]

Okay but the pinion dosent change depending on the electronics I mean I just have to follow that « chart » from tekno website start at the lower end and work my way up

Size of the pinion will depend on your track where you plan to run. 7.5 turn motor is crazy fast. I have eb410 with 13.5 motor, and believe me it's balistik. For example there is 2 tracks in my area, one is hobby town that is tiny and you don't need a lot of speed, so small pinion. The other is thunder dome that is decent size, and you need significantly higher speed and bigger pinion. Like I said, 7.5 motor is crazy fast, and on top of that you are new to racing, I would start with smallest pinion, 17 tooth. And then if track is large and once you get some experience you can easily gear it up
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