Original Control Board Assembly For Segway ES1/ES2/ES4 M365 make sure you get a

make sure you get a message that the bin file was loaded and click Flash

Comes in original MI box

If you do not like it you can always flash back to stock 1

Tire size: 10*2

Thick inner tubes of high quality material

Original Control Board Assembly For Segway ES1/ES2/ES4 M365 make sure you get a100% original item. Please note: you will be required to flash controller with ST Link to upload serial number, otherwise controller cannot be used and will always give error 35. If you plan to use second battery, please note that ES1 ES2 controllers tend to break down as a result. To avoid this you need to make sure you do not charge your batteries all the way up to 100%. We recommend keeping them around 90%. Additionally, make sure your battery