Which pre-2023 RockShox chassis can be upgraded with Charger 3 and DebonAir+? Existing ZEB chassis (2021-2022) can receive the Charger 3 damper upgrade and DebonAir+ air spring. Pike and Lyrik forks prior to MY23 cannot be upgraded with new internals. Have further questions? Reach out to RockShox Rider Support. Related articles Can I upgrade my current RockShox fork with a Charger 3 damper? What´s the weight difference between the current and new MY23 RockShox forks (Pike, Lyrik, ZEB)? Can I buy ButterCups aftermarket and add it to my existing RockShox fork? Why did RockShox decrease the max travel for MY23 Pike and Lyrik forks? Besides travel, what are the differences in chassis and air spring design between the 2023 Pike, Lyrik, and ZEB?