The Cassette is offered in 2 options:
The standard cassette as a replacement for the original hub.
Dartmoor Cassette for Revolt Pro Cassette hubs (all versions)
A SRAM cassette to adapt the 12mm Revolt Pro hubs to.
Dartmoor Cassette for SRAM XX1 for Revolt Pro Cassette 12mm hubs (135/142/150x12mm) Set with Cones.