Features:
l High precision machining, stable and reliable
l Easy to use stable performance, nice spare parts to upgrade and modify your RC airplanes
l Reasonable design makes it easy and convenient to install and remove, and it is a wonderful replacement for broken or old one
l Using the original positioning hole to install that is easy
Specification:
l Material: Electronic Component
l Color: Black Red
l Applicable Models: for WLtoys V931/V977/XK K110/XK K110S/XK K123/XK K124
Package:
l 1x Speed Controller + 1x Motor







