Zipp Freehub Kit Cognition V2 NSW Disc Brake / Rim Brake 11/12 Speed (For Splined Non-XDR Cassettes):

Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service.

SPECIFICATIONS
Spares Category: FREEHUB/BODY KIT
End Cap: n/a