It only costs $38 to give the Logitech G502 Hero's hyper-fast scroll wheel a spin | PC Gamer
I replaced the g502 mouse wheel with one from a g900 : r/G502MasterRace
Loud Music Warning] G502: How to Replace Scroll Wheel on Logitech G502 - YouTube
Logitech G502 X Wired Gaming Mouse LIGHTFORCE hybrid optical mechanical primary switches HERO 25K gaming sensor compatible with PC macOSWindows Black Mouse optical wired USB black - Office Depot
1pc original mouse wheel mouse roller for Logitech G502 G604 also can be commonly used on logitech G903 G700S G500S - AliExpress
Original Scroll Wheel For Logitech G502/G604 Mouse Wheel Replacement Accessories | eBay