The TrailMaster Sport is a budget motor built for messy, dirty, off road action. Whether on the rocks or in the dirt, the TrailMaster Sport is perfectly at home. Great choice for young drivers or running in the muck without ruining an expensive motor.
FEATURES:Zero timing, universal installation and rotation direction
1/8th inch shaft diameter
m3 mount holes, 25mm spacing, "540" standard
ball bearing on output side
bronze bushing on end bell side
High strength Y45 Ferrite magnets
Motor And Gearing Recommendations By Vehicle (clic here)