The left click on my g500 gave out. Random Logitech mouse to the rescue. Removed the microswitch from the cheapo and soldered it into the g500 : r/techsupportmacgyver
Logitech G500 Repair - iFixit
2Pcs Repair Parts Mouse Micro Switch for Logitech G900 G903 Mouse Button Board Cable|Mice & Keyboards Accessories| - AliExpress