Vertigo Drones has them on sale for $9.99:
"Yuneec Typhoon Q500 Series Replacement Landing Gear"
Also, you can find them online at places like Amazon ad eBay.
I bought landing gear for q500 in 2018 from AmazonHi.
I'm trying to find a new landing gear for my Yunecc q500. Where do you guys order your spare parts from?