Enduro 6805 2Rs Enduro Max Cartridge, Id=25 Od=37 W=7 ID=25mm OD=37mm W=7mm Commonly used in hubs, bottom brackets, and suspension pivots Known uses include Mavic, Ringle, Rock Shox, Paul, and Race Face Dual-lip labyrinth seals keep dirt out and grease in More balls without retainers for increased load capacity