:-\ check many websites for TBS 500 frame,out of stock :'( :'( :'(
want to buy a TBS 500 quadcopter frame,wtsap @9007460123
check these sites...
https://www.insidefpv.com/product/tbs-500-carbon-fiber-frame-kit-high-quality/
https://robu.in/product-category/drone-parts/drone-frame/