USB Programming Cable for BBS01 BBS02 BBS03 BBSHD Mid Drive Motor Kit Electric Bicycle Motor 1. The USB programming cable allows connection of a PC and the 8fun Bafang BBS01/BBS02/BBSHD mid drive motor. 2. It helps optimize throttle performance and can contribute to extended battery and motor life. 3. In PAS levels 1-9, full throttle acceleration can be enabled, removing the maximum speed limitation that applies to PAS. 4. Using the USB programming cable, users can safely adjust basic controller parameters without risking damage to the motor. 5. Many customers who purchased Bafang BBS01B and BBS02B motors use this USB cable to customize their e-bikes according to personal riding preferences. This cable allows changes to basic user-level controller settings. Firmware modification is not permitted, and the process is designed to be safe for user operation. Adjustments are based on customer feedback to improve performance, including refining throttle response, reducing current draw from 25 amps to 18 amps without affecting performance, enabling full throttle in PAS levels 1-9, and allowing throttle override of the maximum speed limit set in PAS mode.