The compatible drive bodies and end caps for the ZR1 SL hubs are listed below. End caps are driver body- and axle-type-specific.
Hub drive body compatibility:
11.2028.067.001 FREEHUB KIT - 10/11 SPEED (FOR SPLINED NON-XDR CASSETTES) - CERAMIC 61803 BEARINGS
11.2028.067.002 FREEHUB KIT - XDR - CERAMIC 61803 BEARINGS
11.2018.065.010 FREEHUB KIT ZR1 DISC BRAKE FOR N3W - INCLUDING N3W SPECIFIC DS END CAP (ADAPTER & LOCKRING ARE NOT INCLUDED)
Endcaps:
Front
11.2018.064.003 WHEEL AXLE END CAP SET FRONT - DISC - 12x100 - ZR1 HUBS
Rear
11.2018.064.005 WHEEL AXLE END CAP SET REAR - 12X142 - XDR AND 11 SPEED - ZR1 HUBS (151-030 / 251-000)
11.2018.069.000 WHEEL AXLE END CAP SET REAR ZIPP ZR1 DISC BRAKE N3W CAMPAGNOLO (151-060 & 251-000)
ZIPP 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 ZIPP 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.