How do I change the endcaps of my ZR1 hub? August 11, 2021 21:36 Updated See the ZR1 hub service manual. Related articles Do you need a spacer on the XDR driver body when fitting a cassette? What tubeless tires are compatible with Zipp’s hookless rims? AXS firmware notice | 2.17.0 What hub does the Zipp 101 XPLR wheel use? Comments 0 comments Article is closed for comments.