BB90 SUPER CERAMIC Ceramic bearing Ver.2

●BB90's best dustproof and waterproof performance According to the BB90 standard, many BBs generally have low dustproof and waterproof performance, and their lifespan is short, requiring frequent maintenance. On the other hand, this product boasts outstanding dustproof and waterproof performance, so it has a long lifespan and continues to maintain high performance. Since the frequency of BB replacement is reduced, the frame will not be damaged. ●Evolved to version 2 Waterproof performance has been improved with a new structure that uses a gasket ring. At the same time as reducing damage to the frame, it also prevents wobbling. ・Excellent dustproof and waterproof performance due to unique seal structure ・Excellent rotational performance and high level of durability ・Take full advantage of the performance of high-precision ceramic bearings ・New design with gasket ring further improves performance