Race Face Cinch BB92 Bottom Bracket 30mm Double Row External Seal Key Features: Custom 19 ball flanged retainer bearings,Allow the use of a 30mm spindle with Shimano press fit shells without decreasing ball bearing size,Bearings races are fully coated for improved corrosion resistance,Bearings are factory filled with Phil wood grease,Includes an industry exclusive inner sleeve to protect against water ingress,. Specification: Built for: XC/AM/FR/DH,Colours: Black,Compatible with BB92 shells.