Bearing Shaft: 4mm, Framework: 12N14P, Shaft Thread: CW, Prop adapter: M5, Light Weight: 27.9g (W/O Silicone Wire), No. of cells: 3-6s 1500-1900kv range, Diameter: 27.7mm, 2400KV (option), Propeller: 5″ – 5.5″, No. of cells: 3-4s 2300-2700kv range, KV: 1700KV, Length: 30.2mm.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($16.92): Parts8
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): 19RCSP, 502C6B, TTxBG10, PU15, AFfbG10, BG12MRP, BGGEPPart, BGECOS2306, BGVDay10%off, BGAFF10OFF, BGTT10, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BG11Racer, BGEMAXLSG, BGCuponation10, 13f142, BGHONEY2110, BGDAVIS
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Emax ECO Series 2306 4S/6S RC Motor [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Emax ECO Series 2306 4S/6S RC Motor. The lowest price was: $9.69.
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)).