Bottom bracket Cycling Ceramic bb30 shimano

Product Description

CyclingCeramic bottom brackets are combined with low friction ceramic bearings that are more durable than standard bearings. The high quality finish of the bottom brackets allows them to achieve high performance. They have been designed to offer a lightweight package and thanks to the design of the seals, allow maximum protection. Details : - Compatible bottom bracket axle 24 mm (Shimano) / frame internal diameter 41.96 mm / width 68 mm (pressfit assembly). - Material: Aluminium 7075. - Lifetime 3 to 5 times longer than conventional bearings. - Ceramic balls 58% lighter, 121% stronger and 68% harder than steel balls. - Grade 3 ceramic balls (polished for over 45 days) for virtually no friction. - Case designed, machined and assembled in France in the CyclingCeramic workshop. - Weight: 80g - Case width: 68 - Case standard: BB30 - Internal case diameter: 42 - Bearing quality: Ceramic - Bottom bracket axle: 24 mm - Crankset standard: Shimano Hollowtech II