Originally Posted by
rodricklinderRC
Could someone tell me what pinion gear to use with 75t spur gear on small 1/10 scale track with 100ft straightaway.
i used a 20 when i had a 75 pinion...tbh that size a spur gear is to low a gear...u want to have more torque so u can have a better punch on exiting corners...and use a 19 or 20 th pinion...just my opinion!!