OMNI Racer WORLDS LIGHTEST Ti CERAMIC Hollowtech II Bottom Bracket Dura Ace: 74g
NEW OMNI Racer Integrated Type Bottom Bracket with Ti Ceramic Bearings. OMNI Racer World’s Lightest cycling components. Shimano DURA ACE: SM-FC9000, SM-FC7900, SM-FC7800, Newer. Ti Ceramic Bearing Technology, features proprietary Titanium Nitride coated stainless steel races and cones.