How do I obtain a license to design or manufacture XD or XDR compatible hubs? November 12, 2018 20:44 Updated Go to www.xddriverbody.com and fill out a request. It usually takes about 2 weeks. Related articles Are XD and XDR open standards? Do XD or XDR equipped wheels require special frame rear dropout designs? Do SRAM XD cassettes require different installation tools than traditional cassettes? Why did SRAM create the XD driver body interface? How much air should I have in my suspension fork for my rider weight? Comments 0 comments Article is closed for comments.