Good Evening!

This is my first roller build on the speedrun side and have run into an issue. v2 roller ; stock , Castle 1717 motor.

I have bought several 5ml pinons that fit the motor fine but the diameter of the pinon is to small and doesn't make it to the spool to mesh.

Would anyone be able...

Good Afternoon!

Just starting my journey into speed running and picked up a Vendetta, looking to move into a larger motor but not sure what would fit the bill with a 150 amp speed controller so as to not exploded the drivetrain instantly.

My first goal is just to break 100mph on 4s power. Any sug...