Aliexpress
Click here… to search for T-motor Black Bird 2207 2725KV 5-6S RC Motor on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (27.43 USD): bGhOnEy10
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): T2207, 502C6B, TTxBG10, BGss9%rc, BGBB1, BG12MRP, 0e7f33, FBCOUPON1
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for T-motor Black Bird 2207 2725KV 5-6S RC Motor is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).