Product Description Spare axle for Zipp Cognition NSW front or rear hubs (rim brake). Compatibility:Cognition V1 Generation 1 + Generation 2 front hubsCognition V1 rear hubs only from Generation 1 (before serial number 21P81803697*)202 NSW wheels303 NSW wheels404 NSW wheels454 NSW wheels808 NSW wheels858 NSW wheels * printed on the hub close to the Zipp logo. The axle for Generation 2 rear wheels can be ordered separately. Manufacturer Numbers:Front:11.2018.032.000Rear:11.2018.032,002 Only available to European & Russian customers. Contents:1 x Zipp Cognition axle1 x wave spring washer (only front)2 x bearings (only rear) Manufacturer: SRAM LLC 1000 W. Fulton Market 4th Floor Chicago IL 60607 USA info@sram.com Distributor: SRAM Europe Sales and Services B.V. Paasbosweg 16 3862 ZS Nijkerk Netherlands info@sram.com