Product Description Technical Information:Material:CarbonSizes:5 mm / 10 mm / 20 mmCompatibility:1 1/8" steer tubesFeatures:set of four carbon spacers of different heights for steerer tubes with 1 1/8" diametercombined total height 40 mmBurgtec logo on each spacerManufacturer Number:9231 Contents:2 x Burgtec carbon spacers 5 mm1 x Burgtec carbon spacer 10 mm1 x Burgtec carbon spacer 20 mm Manufacturer: Burgtec Unit 8 Leekbrook Way Leek Staffordshire ST13 7AP United Kingdom info@burgtec.co.uk Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de