SMLRO 48V Original Upgraded Brushless Controller (Compatible

Dear customer, please choose according to your electric bicycle, if your electric bicycle comes with a front motor switch, please choose the original with motor switch, if your electric bicycle does not come with a front motor switch, please choose the original without motor switch, please do not choose the wrong one.
After placing the order, please provide the model of the electric bicycle, the damaged picture of the controller and the picture of the front part of the electric bicycle, dual drive e-bike please let me know if you need to replace the front or rear drive controller, to make sure we ship correctly. Thank you.