Product Description Carbon spacers for stems. Technical Information:Material:UD Carbon (glossy or matt)Diameter:1 1/8"Depth:10 mmModels:UD carbon: Finish: UD Carbon gloss with white Ritchey letteringManufacturer Number: 31-300-010 matt UD Carbon: Finish: UD Carbon matt with black Ritchey letteringManufacturer Number: 33056117002Contents:1 x Ritchey WCS Carbon Spacer Manufacturer: Ritchey Design Inc. 575 Old County Road San Carlos CA 94070 USA info@ritcheylogic.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de