I have checked all old coupons and price is 489.99 USD for Conversion Electric Bike Kit (in Banggood). It is from EU warehouse.Price history, coupons and price alert are available on this page. What is the best price?
Latest price update (UTC time):
Banggood (489.99 USD)
Banggood warehouse is located in Europe 
. Price? This is new product in my database, so I don’t know if this price is good. There is one great coupon!
Link: Banggood product page
Price without coupon: 509.99 USD
Coupon (489.99 USD): BGa85708
(CouponsFromChina.com tip: apply code in your basket (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): BGSPRING8OFF
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
Click here… to search for BAFANG BBS01B 36V 250W Mid-Motor Conversion Electric Bike Kit 860C [EU] on Aliexpress
Here are coupons that you can use.
Price history and price alert
There is only one database record (it was for 489.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).