How to Fix a Sticky Scroll Wheel on a Logitech Mouse - groovyPost
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
G502 with G900 scroll wheel mod | Overclock.net
Logitech G502 Proteus Core Repair - iFixit
Logitech G502 loose scroll wheel - YouTube
1Pc Original New Mouse Pulley Scroll Wheel NEW for LG G502 Mouse|wheels wheel|wheels forwheel for mouse - AliExpress