Tags: Feigao_130_3.9_1_Aluminum_Gearbox_W_heatsink 

Features:

This is the Feigao Aluminum gearbox with heatsink Fins for 130 size motors.

Aluminum motor bracket, for better heat radiation.

Specifications:

Gear ratio: 3.9:1 70T/18T
Shaft Diameter: 0.4cm
Weight:28g/0.99oz include spinner