Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… You can get coupon down below.
Link: Banggood product page
Coupon (476.99 USD): ERidingMarch
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGMaEV07, BGEBSC15, 6GSGIT, BG01b49c, 00c906, 2022ACTIESNL, Terence
(there’s a little possibility that old coupon will work)
Price history and price alert
There is only one database record (it was for 439.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).