... : ball bearing; Competitive price and high quality We can offer various rc servo motors;1) Micro rc servomotor: 1.5 gram, 3gram ... , 3.7 gram, 6gram, 8 gram, ... 13 kg torque, 15 kg torque3) analog and digital4) high torque: 17 kg torque, 20 kg torque, 33 kg ... 40 kg torque etc5) We can offer OEM service high torque rc servo motor