The 2027+ ZEB B1 is compatible with either fender listed below.
Short fender:
00.4318.109.000 RockShox MTB Fender - Enduro Mullet B1 Black 4 Bolt - ZEB (B1+/2027+)
Long fender:
00.4318.109.001 RockShox MTB Fender - Enduro Full Coverage B1 Black 4 Bolt - ZEB (B1+/2027+)
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