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ER40 Electron Retract System including wheels with aluminium hubs and CYMODEL Struts.

This kit fits the CYMODEL YAK 3U CY8021. The huge YAK from CYMODEL.

Electric retract system for the CYMODEL YAK 3U rc model airplane.

The high quality retract mechanism is from Electron and the struts are from CYMODEL. Currently the best retract set available.


The kits includes retract units, struts, tires with aluminum hubs.


Included with the YAK 3U electric retract system is:

- 2 x ER40 retract mechanism

- 2 x struts CYMODEL straight

- 2 x main wheels



  • Use Loctite on the screws of the retract system
  • Keep the drive screw lubricated with oil.

Let op:

  • Gebruik loctite voor de schroeven van de retract set
  • Zorg ervoor dat de aandrijfschroef geolied blijft