> Also a good spin bike does a better job at keeping momentum With smart trainers this is no longer a thing. They can more reliably control the resistance to m

> Also a good spin bike does a better job at keeping momentum With smart trainers this is no longer a thing. They can more reliably control the resistance to mimic the elevation percentage and rolling stop/downhill feel. If you are serious in anyway about riding there is no reason to not have a smart trainer at this point.