Available in SRAM XD, Shimano HG, Shimano Microspline, and Campagnolo. These are only compatible with the following Velo Orange hubs:

• Chronos Rear Disc
• Chronos Rear Disc, Boost
• Chronos Rear Rim Brake

Microspline and SRAM XD are  only compatible with thru axle disc brakes.

Does not include inner ratchets or springs.