Product Description With the SRAM Shifter Adaptor by PAUL, you can attach your trigger shifter to road bike handlebars with 31.8 mm clamp diameter. Specifications:Application:Cyclocross, RoadHandlebar Clamp:31.8 mmTechnical Information:Material:aluminium (6061)Compatibility:SRAM Trigger shift leverFeatures:for attaching MTB shifters to drop barsCNC machined aluminiumManufacturer Number:PC280 Contents:1 x Manufacturer: PAUL Component Engineering 11204 Midway Chico CA 95928 USA info@paulcomp.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de