Zipp Hub Freehub Kit Cognition V2 NSW Disc Brake/Rim Brake 11-Speed Apollo and city streetsSpecificationsRear speeds: 9Compatible

and city streetsSpecificationsRear speeds: 9Compatible chain: LINKGLIDE

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Zipp Hub Freehub Kit Cognition V2 NSW Disc Brake/Rim Brake 11-Speed Apollo and city streetsSpecificationsRear speeds: 9CompatibleFreewheel body suitable for Zipp Cognition V2 disc brake and rim brake rear hubs. The Cognition V2 hub can be converted with this freewheel body for the use of Shimano 11 speed road bike cassettes. Specifications Material: aluminum Axle type : 12x142 mm thru axle or 5x135 mm quick release Compatible hubs: Zipp Cognition V2 hubs (disc and rim brake version) Compatibility: Shimano 11 speed Road Mfr Claimed Weight 53g