TSDZ2 programming kit. All the hardware needed to flash a TSDZ2 mid-drive motor with different firmware. Comes as shown in second picture ready to flash the TSDZ2 for upgrading to the TSDZ2 Open Source Firmware (OSF). It can also be used to flash alternate TongSheng OEM Firmware for different voltage and amp ratings. You will also need to download the free STlink programming software and the desired firmware. Details can be found here on github.
If longer length is desired, you can purchase a speed sensor extensions cable here.👇
https://www.electrifybike.com/products/tsdz2-speed-sensor-extension-cable-6-wires?utm_content=ios&utm_medium=product-links&utm_source=message
Please note: this product is sold unsupported. We provide it for the convenience of our customers, but we cannot support its use as it is very technical and the type of training to use it is cost-prohibitive. You might be able to get help from the community on endless-sphere.com and github