Spiral-technology Inrunner brushless motor

2838-3900

Specification:
Dimension (DxL): 28mmx38mm
Shaft Diameter: 3.17mm
Weight: 102g
Kv: 3900RPM/V
I/Imax: 40A/45A
Vmax: 12.6V

Features:
-The very powerful Inrunner motor
-Created with Cutting edge technology
-Work well with 15C-30C lipo battery
-High power output even with normal lipo battery
-High speed ball bearing rated at 60,000 RPM
-Come with 3.5mm bullet gold plated connector

**  The testing result from Trextuning  **