Yeah Racing Axial SCX10 Aluminum Center Gearbox SCX10-027BU Bearing Type：Ball Bearing x 2

Bearing Type：Ball Bearing x 2

The importance and value of precisely balanced props:

The key to the design of the base is that all surfaces are “square with the world” with both pillars being precisely aligned with the base at 90º and the two support rods front and back being precisely parallel to the base

DJI Phantom 1 & 2 props are color coded on their hub for thread direction

The Prop Rod is designed for use specifically on the Speedy® Prop Balancer but can also be used on other balancing devices such as the DU-BRO brand and others

Yeah Racing Axial SCX10 Aluminum Center Gearbox SCX10-027BU Bearing Type：Ball Bearing x 2