Product Description End caps for Zipp 177 Disc (177D) rear wheel hub (11-speed). Technical Information:Axle Type:10 x 135 mm quick releaseCompatibility:177 Disc hubs30 Course Disc wheels202 Firecrest Disc wheels up to 2020 model303 Firecrest Disc wheels up to 2020 model303 Firecrest 650B Disc wheels up to 2020 model404 Firecrest Disc wheels up to 2020 model808 Firecrest Disc wheels up to 2020 modelManufacturer Number:11.1918.048.000 Only available to European & Russian customers. Contents:2 x Zipp 117D 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