Yes, replacement lower legs are available for the 2022-2024 Domain B1.
27.5”:
11.4018.091.058 FORK LOWER LEG - (DECALS INCLUDED) 27 15X110 BOOST™ (38MM) GLOSS BLACK - DOMAIN B1 (2022-2024)
11.4018.091.059 FORK LOWER LEG - (DECALS INCLUDED) 27 15X110 BOOST™ (38MM) DIFFUSION BLACK - DOMAIN B1 (2022-2024)
29”:
11.4018.091.056 FORK LOWER LEG - (DECALS INCLUDED) 29 15X110 BOOST™ (38MM) GLOSS BLACK - DOMAIN B1 (2022-2024)
11.4018.091.057 FORK LOWER LEG - (DECALS INCLUDED) 29 15X110 BOOST™ (38MM) DIFFUSION BLACK - DOMAIN B1 (2022-2024)
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support