Kraton Will 3s line safe pinion gears fit on the 4s shaft?

dure16

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If you’re talking about current gen cars, then yes, the pinions should be interchangeable.
 

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Are you mixing shaft sizes with Arrma's SAFE-D pinions? Generally the brushless motors in this category should be 5mm shaft size but may or may not be SAFE-D compatible if the flat is not cut all the way down the shaft.
 

1999fd

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Are you mixing shaft sizes with Arrma's SAFE-D pinions? Generally the brushless motors in this category should be 5mm shaft size but may or may not be SAFE-D compatible if the flat is not cut all the way down the shaft.
The Kraton safe-d5 pinion didn't fit on my v1 Sentons motor. I'm buying a kraton motor and I have some 3s motor pinions from the new Senton will they fit?
If you’re talking about current gen cars, then yes, the pinions should be interchangeable.
My motor was v1 so I think that was my problem
 
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