This is one piece of PAS for bike,
you need to confirm if your controller has PAS option, or you may buy the match controller from us, thanks a lot.
bicycle speed sensor.
It is a high-tech component designed for electric bicycle with ergonomics.
It has superiority to match well with all electric bicycles available in the market.
It employs the dual-magnetic loop - Hall elastic angle difference to detect the dynamic torque,
which is converted to DC signal and sent to the controller.
1:1 power assist.