"The wheel size is 16", isn`t it?"に関する回答No its a small 14" tyre but dont go by the inches size it needs to be done on the other number which is the rim diamater
"Motor does not work after replace rear inner tube"に関する回答Sounds like the mechanic has messed with the torque sensor, this does not need to be touched when taking out the bike wheel. I changed tyres front and bike without problem. go back to the shop
"xiaomi qicycle battery replacement"に関する回答They do appear on aliexpress from time to time.