The following RockShox forks are compatible with Charger 3 upgrades:
• MY23 Pike lineup (C1 Generation)
• MY23 Lyrik lineup (D1 Generation)
• MY21+ ZEB lineup (A1 and A2 Generation)
To determine which generation of fork you have, enter your serial number at Trailhead.com. Trailhead provides the model code for your fork, which also indicates the generation of the fork.