You have a very good ESC.
Should not be a problem to sell them.
I am researching difference now.
I notice they are as low as 35.00 37.00 38.00 some place's / Card is worth 10 bucks.
It looks like the Maytech MT60A-Opto V1 is the ESC's i need.
Why are you selling them, did you also go with...