Yes, the tune of the 2021-2023 SIDLuxe A1 shock can be retuned using the part numbers listed below.
11.4118.096.001 REAR SHOCK TUNE ASSEMBLY (INCLUDES SHIMS FOR COMPRESSION TUNE CONFIGURATIONS) - SIDLUXE A1 (2021-2023)
11.4118.096.002 REAR SHOCK TUNE ASSEMBLY (INCLUDES SHIMS FOR REBOUND TUNE CONFIGURATIONS) - SIDLUXE A1 (2021-2023)
Tuning instructions can be found in our Rear Shock Piston Tuning Guide.
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