Just check coupons out (with price alert and history). You probably want to know what is the best price?
Motors: 2204/2205/2206/2305/2306, Battery: 3S 1300mAh ~ 4S 1500mAh, Propeller: 4inch, Weight: 114g Flight Controller: F3/F4/Naze32/CC3D, Size: 190*155mm, Side board: 1.0mm, ESC: 20A-40A, Arms board: 4mm, Wheelbase: 200mm, Props Size: 4 inch, Base board: 2mm
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
GEPRC GEP-KHX4/KHX5/KHX6 Hybrid-X Elegant 4mm Arm X Type Frame Kit w/ PDB 5V & 12V For RC Models DIY Quadcopter | $76.31 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGFrame1, AFfbG10, BGKHX4, 7d18f7, BGVDay10%off, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, BGDAVIS, BGHONEY2110, Parts8, BGGAL8, BGJON8, BGRCParts8, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGJUNEGSG9
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for GEPRC GEP-KHX4 Elegant RC Wheelbase is here.
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)).