Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Scooter Mudguard for Xiaomi Mijia M365 M187 Pro Electric Scooter | 5.47 USD | – |
More on Aliexpress… Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (487.00 USD): 7bcdf9
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): PICODICOM, 5d1752, bGpAnDacHeCk
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Xiaomi M365 Electric Scooter CN-MI Black is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).