2" motorcycle (eBike) rack.
https://www.rei.com/...wcB&gclsrc=aw.ds

or something here
https://www.etrailer.com/...dQJFHLIaAoanEALw_wcB

I bought from etrailer. Great service. They sent me a 1 year customer satisfaction survey which is a nice touch.

I got a Rocky Mounts rack that works great. I'm not sure of the weight limits.