Product Description End caps for Zipp Cognition Disc V1 rear hubs (center lockring). Technical Information:Axle Type:12 x 142 mm thru-axleFreehub Body:Shimano Road, Campagnolo, SRAM XDRCompatibility:Cognition Disc V1 rear hubsonly Campagnolo version is also compatible with Cognition Disc V2 rear hubs202 NSW Disc wheels303 NSW Disc wheels404 NSW Disc wheels454 NSW Disc wheels (Shimano + SRAM XDR only up to 2021 model)808 NSW Disc wheels858 NSW Disc wheels (Shimano + SRAM XDR only up to 2021 model)Manufacturer Numbers:Shimano:11.2018.049,020Campagnolo:11.2018.049,040SRAM XDR:11.2018.049,060 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