Amazon.com: 10 X RB LB Bumper Switch Button Replacement for Xbox 360 Xbox One Controller Buttons : Video Games
Decided to fix the dead bumper on my old 360 controller. Found out you can get custom parts for cheap on AliExpress, and one thing led to another : r/gaming
MadModz Go Green XBOX 360 Controller Bumper Assembly
Free STL file Xbox one bumpers LB RB replacement for 1708・3D print design to download・Cults