Arrow 3.6g / .5kg / .12sec Micro Servo
 

Small yet strong servo. Rebuildable.
Torque: .5kg
Weight: 3.6g (.13oz)
Speed: .12sec / 60deg
Voltage: 4.8v/6.0v
These servos are well made and can be rebuilt.
The servos manual notes that you can also remove the base of the servo to further reduce the weight.

Servo comes with accessories, instructions and a full warranty.