Yes, bearing mounts can be added to 2021-2023 SIDLuxe A1 by installing part number 00.4318.088.001 (Rear Shock Bearing Adapter Upgrade Kit - 8x30 23mm OD (convert standard DU Bushings to Bearings on 8x30 frames) uses 22mm wrench - Deluxe,SuperDeluxe C1+(2023+),SIDLuxe A1+(2021+)).
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