Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe . We have found one coupon for this product!
Link: Banggood product page
Coupon (939.99 USD): BG434648
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BG7a6c1d, 341d2f, BG1b801d, BGf219b4, BGf95254, BG05dc5b, BG952189, BG67cc6f
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for WELKIN WKEM002 36V 10.4Ah 350W 27.5inch Electric Bicycle [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).