Bottom bracket Cycling Ceramic bb evo 386 shimano

 Description by sportisgood

Cycling Ceramic 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 46 mm / width 86.5 mm (pressfit assembly).7075 aluminum.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 Cycling Ceramic workshop.Weight: 80g