Suitable for Robbe servos:
- Rovor 0270
- Rovor 0009 Digi
- Rovor 0009 (only conditionally recommended due to play at the output!)
- FS 166
- FS 155
- FS 180 (only conditionally recommended due to play at the output!)
And all comparable servos from other manufacturers with a toothing of 21 teeth (21Z / 21T) and an outer diameter of the servo output shaft of 4.90mm.
