Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe . One coupon is available. Cool!
Link: Banggood product page
Coupon (2339.99 USD): 341d2f
(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): BGc8e14f
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for JOBO JB-TDN46Z-FS 250W 48V 11.6Ah Electric Bike [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).