Shimming the differential correctly is an important step and this is the building the perfect gearbox

all three gears (52t

Hitec's HS-5125MG also uses reliable M/P gear and metal gear train technology for super durability

48 Size in Millimeters: 40

The 65 series features a top-ball bearing for long life and positive centering

Hobbywing - Xrotor-40A Multirotor ESC Servos Standard Shimming the differential correctly isFeatures: Special Core program for Multi Rotor Controllers that greatly improves throttle response. Specially optimized software for excellent compatibility with disc type motors. All settings except the "Timing" are preset, making usage simple, highly intelligent and adaptive. The twisted pair design of the throttle signal cable effectively reduces the crosstalk produced in signal transmission and makes flight more stable. Compatible with various