Inner Race Width - 20
Radial Suspension Bearing - 30mm x 42mm x 7mm -
cryogenically treated nitrogen steel races with Silicon Nitride Grade 5 ceramic balls in a proprietary process that results in the ultimate high-performance bearing setup
bottom bracket bearing for some older square taper BBs
LLB seals and 90% fill high-pressure
CO 699 VV - Enduro Zero, Black-Oxide, Ceramic Hybrid, ABEC-5, Radial Bearing (C3 Clearance) - 9mm x 20mm x 6mm TH-873 Inner Race Width - 20CO 699 VV Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial bearing (C3 clearance) 9mm x 20mm x 6mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 high Carbon chromium alloy races paired with Grade 5 Silicon Nitride Ceramic Balls with , ultra low drag VV dual lip seals to withstand the outside elements, and to contain the 90% fill Kluber NBU52 ultra smooth and sticky, water proof grease. Si3N4 Ceramic