When you're ready to make the switch, I recommend converting your own with a Bafang mid-drive to avoid vendor lock-in. A lot of LBS's won't even touch pre-built

When you're ready to make the switch, I recommend converting your own with a Bafang mid-drive to avoid vendor lock-in. A lot of LBS's won't even touch pre-builts, and if you work on your own bike you can work on a conversion just as easily.