POWER HD STORM-4 Brushless Motor 1/10 Titanium & Alum Gear Digital Servo

STORM-4
Torque(6.0V): 21.0 kg-cm (291.6 oz/in) 
Torque(7.4V): 25.0 kg-cm (347.1 oz/in)
Speed: 0.10 sec (6.0V) │ 0.085 sec (7.4V)
Operating Voltage：6.0 ~ 8.4 DC Volts
Weight: 70.0 g (2.47 oz)
Bearing Type：Ball Bearing x 2
Motor Type：Brushless Motor
Gear Type：Titanium & Alu
Operating Temperature：-20℃~60℃
Working frequence：1520μs / 333hz
Size：40.0 x 20.0 x 38.8 mm ( 1.57 x 0.79 x 1.53 in)