Motor Features:
1.4 Pole 12 Slot Hi-torque Motor Design.
2.CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper.
3.Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings.
4.Universal fit, for all 1/10 Brushless cars-multi-mounting system for M3 screws .
5.Precision balanced rotor,smoothness for best reliability and maximum RPM.
6.Stator - Super Thin (0.35mm) Laminations.
7.Removable/Replaceable rotor.
8.Precision Engineered for maximum Energy Conversion.

Specifications:
Brand: SURPASSHOBBY
Series: KK
Name: F540 RC Motor
KV(RPM/Volt): 3300KV/3930KV/4370KV optional
Watt: 820
Max RPM: 50000
Max voltage: <18V
Max amps: 66A
Rotor poles: 4
Diameter: 35mm
Length: 50mm
Shaft: 3.175mm
Shaft length: 15mm
Connector: 4.0mm gold
Weight: 148g

Package Included:
1 x F540 Brushless Motor
1 x 45A Waterproof ESC
1 x English Manual

Note:
Only the above package content, other products are not included.
1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.
2.Due to the manual measurement and different measurement methods, please allow 1-3mm deviation.Thanks!