This Surpass Hobby Rocket V3 540 10.5T brushless motor is specially designed for 1/10 RC car. It is compatible with sensored/sensorless ESC.

Specifications:
Brand name: Surpass Hobby
Color: Blue / Black (optional)
Size: 540
Design: Sensor
Rotor Poles: 2
Turns: 10.5T
Watts: 250W
Support Battery: 1-3s LiPo
Max Amps: 63A
KV(RPM/Volt): 3800KV
Diameter: 36mm
Length: 54mm
Shaft length: 14.5mm
Shaft diameter: 3.175mm
Rotor: 12.5 * 7.2mm
Type: SPEC
Mounting Hole: M3
Weight: 155g

Package information:
Package size: 11 * 7.0 * 4cm/ 4.3 * 2.8 * 1.6in
Package weight: 192g/ 6.8oz

Package list:
1 * 540 10.5T Sensored Brushless Motor
1 * Sensored Connected Cable
1 * Manual