These pinions also feature a hollowed out core that reduces rotating mass for improved acceleration and deceleration. Available in 48 pitch from 12 to 35 tooth sizes, and in 64 pitch in 16 to 47 tooth sizes.
1 64pitch pinion 31 teeth
1 4-40 set screw
0.050 size hex wrench
This is one of the "Silencer Series" pinions.
Used with permission, copyright 2018 Tower Hobbies, Inc. Copyright 2018 Brey Corp. t/a Hobby Works.