Bought a kit to replace the bumpers on the Xbox controller. you are good I have a white controller with black bumpers and triggers and the white looks smooth. The only complaint is that when I tried replacing the entire shell (since it's not as worn as mine) it didn't line up properly with the left trigger. It doesn't appear to be an exact match to Microsoft's plastic parts. This is fine if you're just looking for a replacement part, but be careful if you're planning on replacing the case.
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