The Zipp SRAM XDR Freehub Kit is a driver body that converts compatible Zipp rear hubs to the SRAM XDR interface for 12 speed road cassettes. Dedicated versions exist for ZR1, 176 and 177, and Cognition NSW and Cognition V2 hubs, so selection must match the hub model.

• Driver body type SRAM XDR
• Hub compatibility specific kits for ZR1, 176, 177, Cognition NSW, Cognition V2
• Cassette compatibility SRAM 12 speed XDR cassettes
• XD cassette use requires 1.85 mm spacer on XDR driver
• Material aluminum