Hirobo SD DTDS Set 0412-168 87T Sceadu Evo & SDX*

Upgraded main and second gear set for the Sceadu Evo and SDX*. 87T main gear and 79T second gear.

NOTE 1: for the SDX the following additional parts are needed: (not included)
qty-2, socket head cap screw M3.5x10
qty-2, collar ø3.5 x ø5 x 5.1

NOTE 2: the autorotation drive hub is not included. Included with this set: main gear, second gear & second gear housing.

NOTE 3: tail rotor RPM is increased as the second gear has one less tooth than the stock second gear. You may need to adjust T/R gyro gain.

Thanks for looking! Message me if you have any questions.


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