Product Description Spare bearing to replace Hope hub bearings. Specifications:Dimensions (Inner x Outer x Width):17 mm x 28 mm x 7 mmDesignation:17287Models:Design:deep groove ball bearingsRecommended Use:HubBall Material:stainless steelSeals:both sidesCompatibility:BMX (front)Pro 3 Mono (front/rear)Pro 3 SP-XC3 (front/rear)Pro 3 SP AM-4 (freehub)Pro 3 SP-XC3 (freehub)Mono RS (front/rear)RS4 (front/rear/freehub)Pro 2 Evo (freehub)Pro 2 Evo XD (freehub) innerPro 4 Fatsno (freehub)Pro 4 (freehub)Pro 4 XD (freehub) innerManufacturer Number:S17287 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