Yes, replacement lower legs are available for the 2021-2024 35 Silver R/TK A1. Lower legs are made in a “fender mount” variant and a “non-fender mount" variant. The two types are not cross-compatible.
Fender:
11.4018.091.048 FORK LOWER LEG - (DECALS INCLUDED) 27 FENDER 15X110 BOOST™ GLOSS BLACK - 35G EMTB A1-A2 (2020-2024), 35S A1 (2021-2024)
11.4018.091.049 FORK LOWER LEG - (DECALS INCLUDED) 27 FENDER 15X110 BOOST™ DIFFUSION BLACK - 35G EMTB A1-A2 (2020-2024), 35S A1 (2021-2024)
11.4018.091.050 FORK LOWER LEG - (DECALS INCLUDED) 29 FENDER 15X110 BOOST™ GLOSS BLACK - 35G EMTB A1-A2 (2020-2024), 35S A1 (2021-2024)
11.4018.091.051 FORK LOWER LEG - (DECALS INCLUDED) 29 FENDER 15X110 BOOST™ DIFFUSION BLACK - 35G EMTB A1-A2 (2020-2024), 35S A1 (2021-2024)
Non-Fender:
11.4018.091.044 FORK LOWER LEG - (DECALS INCLUDED) 27 15X110 BOOST GLOSS BLACK - 35G A1-A2 (2020-2024), 35S A1 (2021-2024)
11.4018.091.045 FORK LOWER LEG - (DECALS INCLUDED) 27 15X110 BOOST DIFFUSION BLACK - 35G A1-A2 (2020-2024), 35S A1 (2021-2024)
11.4018.091.046 FORK LOWER LEG - (DECALS INCLUDED) 29 15X110 BOOST GLOSS BLACK - 35G A1-A2 (2020-2024), 35S A1 (2021-2024)
11.4018.091.047 FORK LOWER LEG - (DECALS INCLUDED) 29 15X110 BOOST DIFFUSION BLACK - 35G A1-A2 (2020-2024), 35S A1 (2021-2024)
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