Hasn't been used, however is listed as used as has some marks, please check photos for specs.
Tianjin Santroll Electric Electric bike controller MODEL:B-WZKD-A-V1-A1
Tianjin Santroll Electric e-bike Controller WZKD3613KA-F4 36V 13A
Tianjin Santroll Electric e-bike Controller WZKD3615KA-F4 36V 15A
Brush Motor Speed Controller 12V500W Motor Speed Controller with 410 Chain 410 Model 13T Sprocket 20A Rewind Switch
