Product Description Stainless steel deep groove ball bearing for the BSA 30 and Pressfit 30 bottom brackets from Hope. Specifications:Dimensions (Inner x Outer x Width):30 mm x 42 mm x 7 mmDesignation:71806Models:Design:deep groove ball bearingsRecommended Use:bottom bracketBall Material:stainless steelCompatibility:BSA 30 mm bottom bracketsPressfit 30 PF30 bottom bracketsManufacturer Number:S71806 Contents:1 x Hope 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