Yes, lockout can be added to the 2026+ Rudy XL A1 by replacing the complete damper assembly. The replacement damper assembly is part number 00.4318.086.005 (Damper Upgrade Kit - CHARGER RACE DAY 2 2-Position Rudy XL Crown (Includes Complete Right Side Internals) - 30mm (60mm Max Travel) - RUDY XL (A1+/2026+)).
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