Amazon.com: Logitech G502 Hero High Performance Gaming Mouse Special Edition, Hero 25K Sensor, 25 600 DPI, RGB, Adjustable Weights, 11 Programmable Buttons, On-Board Memory, PC/Mac - Black/White : Video Games
Logitech G502 disassembly - YouTube
My G502 started to have some resistance on the scroll wheel. While I was cleaning it, I decided to roughen up the mouse 1 and 2 buttons : r/G502MasterRace