Amazon.com: Suitable for Logitech Keyboard Translucent Alternate keycaps for G910 G810 G Pro G413 G613 Alternate Light-transmitting Game keycaps (Bump 12 Keys, Black) : Electronics
Arrow Keys Replacement Keycaps for Logitech G810 G413 G310 G910 G613 Keyboard Romer G (Up Down Left Right Keys) (Gold) Keyboards - Newegg.com
Anti-slip 13-Key Key Caps for Logitech G413 G910 G810 G310 G613 K840 G910 Parts | eBay
Logitech G613 LIGHTSPEED Review - RTINGS.com
Logitech G613 LIGHTSPEED Review - RTINGS.com
The supports for my g613 ALT keycap broke off inside the switch while I was typing : r/LogitechG
Amazon.com: Arrow Keys ↑↓←→ Replacement Keycaps for Logitech G810 G413 G310 G910 G613 Keyboard Romer G (Up Down Left Right Keys) (Silver) : Electronics