Setting up a gear mesh is a chore you cant get around. This video shows you how to set up a gear mesh (on pinion gear, spur gear) by listening to the sound.
This method works for all pitches of gears. It's an alternative in setting pinion/spur gear mesh without measuring it or using paper or notecard inserts.
Also check out the pinion gear , spur gear in rcMart.
Kawada Pinion Gear, Spur Gear, Diff Gear and more have been restocked in rcMart. Check them out for more.