Product Description Replacement cartridge bearing for 1.5" tapered headsets. Specifications:Dimensions (Inner x Outer x Width):40 mm x 52 mm x 7 mmDesignation:6808Models:Design:Angular contact ball bearingRecommended Use:headsetBall Material:stainless steelManufacturer Number:HS135 Contents:1 x Hope 1.5" spare bearing Manufacturer: Hope Mill Calf Hall Road Barnoldswick Lancashire BB18 5PX United Kingdom info@hopetech.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de