Hyperion ATLAS Sub-Micro Digital, Programmable Servos, 8g~9g (4.8V/5.5V)

These are simply the best servos you can buy at any price, and a great value too.
Perfect centering, top AND bottom ball bearings, and choices of tough CarbonPoly or Metal Gear Trains.
Fully programmable for Speed, Deflection, Centering, and more.