Shorter Crank Arms for the Aostirmotor S17?

Scott Pellinger

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I recently purchased an Aostirmotor S17. I have short legs and would like to swap in shorter crank arms for the ones that came from the factory. Are there any shorter crank arms that will simply bolt on without any modification to the bike or crank arms?
 
Looking at a photo of this ebike, you should be able to unbolt the crank and replace it with whatever you want.
 

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