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P.A.S.

7 pins VS 3 pins for Modify your plug , PAS will send with 3 pins plastic plug
PAS and speed limiter don't work with Kelly controller, only work with cyclone motor built-in controller and cyclone controller !
25km/h Speed limiter
25km/h speed limiter suitable for 28", 27", 26", 24", 20", 18", 16" and 12" wheel