Robinson's Aluminum Pro pinions feature lightweight aluminum construction with an added hard coating that produces extra strenght and less friction. 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.
INCLUDES: #160;1 #160;64pitch pinion 31 teeth AND 1 #160; 4-40 set screw
REQUIRES: 0.050 size hex wrench.
NOTES: This is the Silencer Series pinions. #160; Replacement set screws RR 1000.