electric bike pedal assist sensor

quadricycle electric mother and child bike 

moped basket

pedal assist sensor

This is an equipment for driving the motor when there is pedal assist power.With high quality and useful function,it has some advantages:

1.forward assist power

2.1:1 adjustable proportions

3.smooth charactarastic

4.universal module an standardization interface 

29" bicycle shimano xt

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