Each Pcs included:
580KV Brushless Motor × 1
Propeller Bullet Adapter and Screws × 1 Set

Brand: QWinOut
KV: 580KV
Stator Diameter: 41mm
Stator Length: 8mm
Shaft Diameter: 4.0mm
Propeller Installation Hole Diameter: 3mm
Propeller Installation Distance: 12mm
Motor Installation Hole Diameter: 2.5mm
Motor Installation: 32mm Equilateral Triangle, 19/25mm Straight Line
Motor Dimensions(Dia.*Len): D46x25mm
Weight(g): 113g
No.of Cells(Lipo): 3-6S
Max Continuous current(A): 37A
Max Continuous Power(W): 821W
Internal resistance: 0.098 ?

Final released 4108 series super strength out-runner high-end brushless motor, The 4108 series motor is compatible with Kawasaki, Japan 1200 # 0.2mm high efficiency silicon steel and 40UH high temperature powerful magnet.

Selected the Japanese NSK pure imported bearings to reduce motor vibration, shell using high-precision CNC machining and professional balancing test, making concentricity, balance is greatly enhanced.

4108 Series high-end brushless motor perfectly compatible with more than 99% of commercially available brushless ESC.

Low vibration motor great for flying

Features:
-To make aircraft more stable
-Less operating noise
-More efficient
-Bearings long life.