Best power assist wheels...WheelDrive

These seem to me to be the best power-assist add-ons out there! Made over seas but apparently you can get them here also. I did some research, and it seems they fit almost any chair. I love the continuous drive outer rims! Along with the regular power-assist inner rims.

https://www.youtube.com/watch?v=gZnFNrsE3h8

http://ift.tt/1sj8ViZ

Best power assist wheels...WheelDrive