The bolt-on fender for the 2021-2026 ZEB A1-A3 is part number 00.4318.047.000 (ROCKSHOX MTB FENDER BLACK SHORT 3 BOLT 38MM - ZEB (A1+/2021+), DOMAIN (B1+,2022+)).
Fender bolts are M3-.5x11 (qty 3) and are part number 11.4018.135.000 (FENDER BOLT KIT - M3-.5X11MM BUTTON HEAD (QTY 5) - ZEB A1+, LYRIK D1+, PIKE C1+, DOMAIN B1+, SID C1+, BOXXER D1+).
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