logitech's pop keys with normal keycaps : r/MechanicalKeyboards
Logitech Pop Modification w/ Replacement Keycaps and O Rings : r/MechanicalKeyboards
Amazon.com: forG915 Complete Set of 109 keycaps to Replace Logitech G915/G913/G815/G813 TKL RGB Mechanical Gaming Keyboard (Black 109 Keys) (G915 Full Set of keycaps (Black)) : Video Games
Amazon.com: HUYUN A Full Set 104 keycaps Replacement for Romer-G Switchs Logitech G512 G513 RGB Mechanical Gaming Keyboard : Electronics