OK400 hexapole external-rotor brushless motor is high-performance, low noise, large moment of force and special appearance, which is high-efficiency motor preferred by many helicopter lovers and whose load temperature keeps under 55 all along, and can be applied for T-REX. 450X/XL/SE. SONICPRO. STM400.

200MPRO3D. Black eagle. Little dragonfly 36#/37#/60#, 3DPRO and other 450 level or 400 level electric helicopter.

Dimension: 28X36 (mm)
Shaft: 3.0/ 3.175X15.50(mm)
Weight: 50g