sram XX1 freehubs are compatible with;
- Novatec D712SB hub
- Novatec D772 SB hub or D772SB-12*142 hub
- Novatec D792 SB hub or D792SB--12*142 hub
- Novatec D412SB hub or D412SB-12*142 hub
- Novatec D412CB hub
- Noavetc F482SB/F582SB and SB-SL hubs
- Notavec F522SB Hub
- Notavec FS62CB Hub
- Novatec F742
- Novatec D992 SB
- Novatec D882 SB