The 6902 Enduro Max Cartridge bearing is designed for suspension pivots. MAX bearings take 35-40% more load capacity than standard radial bearings. Black oxide races with an additional Magnetite treatment for hardness, rust resistance and even more reliability.. 90% filled with Mobilux NGLI 2 synthetic grease, dual-lip labyrinth seals, full complement of bearings, up to 45% increased load capacity. Specifications: Bearing I.D. (mm): 15 mm Bearing O.D. (mm): 28 mm Manufacturer Number: 8902 Material: Steel Thickness: 7 mm Compatibility: Cannondale Gemini (Swingarm Main Pivot) Judge (Brake Carrier) Judge (Top Tube Pivot) Perp (Brake Carrier & Link) Perp (Shock Link) Perp (Top Tube Pivot) Giant Trance (Pivot) Karpiel Apocalypse (Pivot) Armageddon (Pivot) Specialized Demo 8 (Bottom Pivots)