Aliexpress
Click here… to search for Mankeel MK016 14inch 350W 36V 7.8Ah Electric Bike [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I can’t tell you if this price is good – not enough records in my database, so I won’t judge. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Coupon (539.99 USD): 341d2f
(CouponsFromChina.com tip: you should apply the coupon 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): BG21b1b9, 8wEbgaInS5, BGd8c503, BG8ReviTrage, Cuponation9, COUPONSDE1wk, BgGoodie9, BGb24021, BGc8e14f
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: 459.99 USD.
You can set price alert (for Banggood).