Product Description End caps for Zipp Cognition Disc front hubs (center lockring). Technical Information:Axle Type:9 x 100 mm quick release or 12 x 100 mm thru-axle or 15 x 100 mm thru-axleCompatibility:Cognition Disc V1 front hubCognition Disc V2 front hub202 NSW Disc wheels303 NSW Disc wheels353 NSW Disc wheels404 NSW Disc wheels454 NSW Disc wheels808 NSW Disc wheels858 NSW Disc wheelsManufacturer Numbers:9 x 100 mm:11.2018.048.00012 x 100 mm:11.2018.049.00015 x 100 mm:11.2018.050.000 Only available to European & Russian customers. Contents:2 x Zipp Cognition Disc end caps 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