SRAM GX XD Cassette onto XDR freehub: I slid the Cassette onto the freehub, the splines of the Cassette and the freehub seem to engage, but the cassette doesn't slide on completely.
Amazon.com : JGbike SROAD Lightweight 12 spee d Single Piece Cassette XD 10-50T for MTB Downhill Freeride Hardtail Bike, for SRAM GX Replacement : Sports & Outdoors