Hero S8/X8 complete motor. We have the 2020 (3.5 inch) version and the 2021 (3.1 inch) version. Only replace with the same size you have purchased your Hero with. All X8 models have only 8 x 3.1 Inch. The S8 models have two different sizes.
When it comes to the battery, Hero scooters are equipped with only grade A DMEGC cells (used in electric cars) and Panasonic cells. All Hero scooters come with a certified 3A or 4A charger depending on the model.