Got a G703 with scroll wheel issue for 20€ at an auction, I put a piece of paper between the scroll wheel and the encoder. Works like brand new and saved about
1pc Original Mouse Wheel Mouse Roller For Logitech G403 G603 G703 Mouse Roller Accessories - Mouse - AliExpress
Only 5pcs in stock original mouse bottom shell lower case for Logitech G703 Mouse - Newegg.com