Furthermore,as a professional PAS manufacture ,facing to various kinds of e-bicycles and customers needs,we developed a special tool which called-setup devise,it can adjust 8 different parameters of the PAS system to meet different requirements ;and it can be used by customers following the operational manual.

Features:
1.high universality:applicable to brush/brushless controller ,high/low/sensor/sensorless motor -electrical system,24v/36v power system;
2.facility to install:install as the normal chain wheel crank in bicycles,apply to ordinary bicycle d-type B.B. parts.
3.three levels power adjusting function :it has three assistant power levels and the battery will be displayed on a dashboard.
4.riding on comfortably:large linear torque range with great stability and you will feel more soft when the gear changes.
5.well acclimatization:it has excellent anti-jamming ability that can work as normal in dirty water .
6.speed limitation:it can set a maximum speed transmission ratio(such as:25km/h power cut)