Product details in english
                These high-quality ball bearings provide replacement parts for your kit supplied items.
Premium ball-raced bearings for ultra-smooth operation in all conditions - Precision manufactured for fast and easy fit and consistent servicing - Manufactured to consistent tolerance for safe and secure assembly - Double protective shields to provide added durability 
Specifications
Inside diameter: 6mmOutside diameter: 12mmThickness: 4mm
            
            Mer info på engelska