Vortex 520 chain and sprockets 15T / 50T

Selling my Vortex gold chain and sprockets set came off 1 Gen Yamaha R6 and pretty sure it fits a bunch of bikes can cross reference at Fortnine.com were I bought it. Paid over $400 and was only used for about 1500km only needs a new master link and they are cheap like 20 bucks or less. Asking $180 obo.