Concentric and Coaxial, higher efficiency

   Concentric and coaxial, NdFeB-made magneto, higher efficiency, lower consumption and longer distance.

 Good climbing performance

    Use second-speed output and larger starting torque, in favor of climbing.

 Adopt for various riding module

   Good transmission system can be adopted for various riding module.

 Easy Operating, Fast Assembly

   Can meet different type of bikes’ assembly, such as general bike, foldable bike, mountain bike and road bike, easy operating.