Upgraded after 5 years with the Logitech G502 'Proteus Spectrum' : r/G502MasterRace
Amazon.com: 2Sets Hotline Games 3.0 Plus Rounded Curved Edges Mouse Feet Skates Compatible with G502 Hero, Proteus Spectrum RGB Gaming Mouse feet Replacement (0.7mm,Smooth,Pure White PTFE) Professional Upgrade : Video Games