Just solved the scroll problem of my g403 :) : r/LogitechG
Amazon.com: Mouse Wheel Mouse Roller Scroll Replacement Parts for logitech G403 G703 G603 G403 Hero G703 Hero Metal Mouse Pulley Scroll Wheel Gaming Mouse Repair Parts (Pink) : Video Games
Scroll wheel on G403 Hero broke loose, any fix? : r/LogitechG
Best Buy: Logitech G403 Prodigy Wireless Optical Gaming Mouse Black 910-004797