what pinion do i need for...

[littlemaf]

i have just got a new motor, a "Kyosho X-Speed 15 Turn" and i want to know what pinion i need for it to go in my "belt driven 4 wheel drive Tamiya TA03". thanks!

[John Stones]

Depends where you are racing and how big the track is

[littlemaf]

i mostly race it at indoor tracks at d minute