UPGRADES – RockShox FAQ

Can I run ButterCups on one side only?

Yes! For example, if upgrading from a base-level BoXXer without ButterCups to the DebonAir+ air spring or Charger 3 RC2 damper with ButterCups, they may only exist on one side. See more

What can I upgrade on my 2024 BoXXer to make it more like the BoXXer Ultimate? How do I add ButterCups to my base-level BoXXer?

For 2024 base-level BoXXer forks, you can upgrade from the Charger 3 RC to Charger 3 RC2 damper with ButterCups, and you can upgrade the air spring to include ButterCups. See more

Can I upgrade my current BoXXer with the Charger 3 RC2 or DebonAir+?

No, both the spring and damper are designed to work as a system within the new 38mm chassis. See more