Yes, replacement lower legs are available for the 2025+ Domain C1.
27.5”:
11.4018.091.100 FORK LOWER LEG - (DECALS INCLUDED) 27 15X110 BOOST™ (38MM) GLOSS BLACK - DOMAIN C1+ (2025+)
11.4018.091.101 FORK LOWER LEG - (DECALS INCLUDED) 27 15X110 BOOST™ (38MM) DIFFUSION BLACK - DOMAIN C1+ (2025+)
29”:
11.4018.091.098 FORK LOWER LEG - (DECALS INCLUDED) 29 15X110 BOOST™ (38MM) GLOSS BLACK - DOMAIN C1+ (2025+)
11.4018.091.099 FORK LOWER LEG - (DECALS INCLUDED) 29 15X110 BOOST™ (38MM) DIFFUSION BLACK - DOMAIN C1+ (2025+)
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