[Nemo]

Possibly AndyMark is between a rock and a hard place with the bore size on that pinion, because the BaneBot RS-550 shaft seems to be ever so slightly smaller than the AndyMark 9015. One of our pinions was pretty hard to press on to the AndyMark 9015 motor, so a smaller pinion bore might not be desirable, either.

It's great to know that there is a retaining compound that might work if we end up needing the faster flywheel speed from RS-550. Thanks for pointing that out.