$37.94 – Brand Name: FMS, Usage: Suitable for RC Airplane, Motor: 2627 KV4500(4S)/ KV5400(3S) (Optional), Weight: 75g, Item Name: 50mm 11 blades Ducted Fan.
Latest update shows that FMS 50mm 11 Blades Ducted Fan EDF RC Motor costs $37.94 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is best price?
Latest coupon and price update (UTC):
Banggood ($37.94)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. The question is – is it a good price? IMHO this is a good price, coz it’s lower than average ($38.26)
Link: Banggood product page
Price: $37.94
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): Parts8, BGRCParts8, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, 8wEbgaInS5, BG8RCToy, hoNEYbGdeAlS, BGJUNEGSG9, BGRCT10, BG8ReviTrage, Cuponation9, BGToys8, BG8OFFCOUPON, BGMatt2022, BG8FORMULAMX
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for FMS 50mm 11 Blades Ducted Fan EDF RC Motor? There we go. The lowest price was: $32.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).