Servo Saver 21.5MM for Stock Plastic 25T Output Gear Ajustable Hi-Torque Servo Arm Black

$5.99

About This Product :

  • It”s upgrade parts.
  • Will fit :25T SERVO
  • Install length:21.5mm
  • There are 3 springs.You can adjust the power of servo saver by adding or reducing the number of the springs.

144 in stock