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| Gear Brass 2.5mm shaft, mod. 0.5, 16 tooth Screw |
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The stock Align Trex 250 pinion gear is mounted on the motor shaft by glue only, so users are complaining the gear may become loose from the shaft during flights. -
The Xtreme production version pinion gear comes with a set screw, which can hold the pinion firmly and on the motor shaft.
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