Type: 3900KV-2848SL
KV: 3900
Max current: 41A
Voltage input: 2-3S Lipo
Max Power: 650W
Motor Diameter (excluding water cooling): 28mm
Length (excluding motor shaft): 48mm
Motor shaft diameter: 3.17mm
Motor shaft length: 15mm (outside the motor can)
Weight: 152g/ 5.36oz

Water cooling outer diameter: 31mm (32.6mm on both ends)
Length of water cooling tube: 36mm

Includes:
1 x motor with water cooling tube (pre-installed)