Torque(6.0V): 17.0 kg-cm (236.1 oz/in) Torque(7.4V): 20.0 kg-cm (277.7 oz/in)Speed: 0.10 sec (6.0V) ¦¢ 0.085 sec (7.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 60.0 g (2.12 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºCoreless MotorGear Type£ºTitanium & AluOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 333hzSize£º40.7 x 20.5 x 38.5 mm ( 1.60 x 0.80 x 1.51 in