Aliexpress
Click here… to search for EMAX RS2306 Brushless Motor 2550KV on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – EMAX RS2306 RACE SPEC Motor 2400KV White (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (28.68 USD): Parts8
(CouponsFromChina.com tip: this code has to be applied in your 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): 502C6B, AFfbG10, BGVDay10%off, BGMPB2020, BGAFF10OFF, bGhOnEy10, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, BGDAVIS, 13f142, BGHONEY2110
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – EMAX RS2306 RACE SPEC Motor 2400KV White (-3 USD)
Price history and price alert
Price history (for all/most countries) for EMAX RS2306 Brushless Motor 2550KV is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).