6808 LLB BO 45 - 1-1/2 Black Oxide treated Headset Bearing (40mm x 52mm x 7mm: 45deg ID only) This is particularly important in

This is particularly important in applications like BBs

XD15 Ceramic-Hybrid Bearing Bottom Bracket for BBRight Framesets and SRAM DUB/29mm Cranksets

and XD15 Ceramic-Hybrid at the top of the line

45 Angular Contact

dual-lip labyrinth (LLB) seals to withstand daily abuse of use and the elements

6808 LLB BO 45 - 1-1/2 Black Oxide treated Headset Bearing (40mm x 52mm x 7mm: 45deg ID only) This is particularly important in6808 LLB BO 45 1 1 2 Black Oxide treated Headset Bearing (40mm x 12mm x 7mm: 45deg ID only) Radial design headset bearing featuring anti corrosion Black Oxide Magnetite treated 52100 High Carbon Chromium alloy races paired with grade 10 Balls. Black Oxide treatment provides an extra level of corrosion resistance and extended worry free performance This size bearing is also known in the bike Industry by part number: HSS 6011 The Enduro line of angular