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
Amazon.com: Logitech G703 Lightspeed Gaming Mouse with POWERPLAY Wireless Charging Compatibility, Black : Video Games
Amazon.com: Logitech G703 Lightspeed Wireless Gaming Mouse Rubber Side Grips - Black Logitech G640 Large Cloth Gaming Mouse Pad, Optimized for Gaming Sensors, Mac and PC Gaming Accessories, 460 x 600 x 3 mm
Upgraded Version Mouse Wheel Encoder Decoder for logitech G403 G703 Mouse|Mice & Keyboards Accessories| - AliExpress