How do I service my ZR1 hubs? August 11, 2021 21:47 Updated See the Zipp ZR1 hub service manual. Related articles What bearing size does the ZR1 hub use? What tubeless tires are compatible with Zipp’s hookless rims? What if I accidentally damage my Zipp wheels during unintended use? What type of brake pads are required for SRAM eTap AXS HRD road disc brakes? Is the ZR1 hub available with Shimano MICRO SPLINE and Campagnolo N3W driver bodies? Comments 0 comments Article is closed for comments.