Discover the quality of Enduro Bearings ACB 4545 405495 - Stainless Steel. Not all stainless steel is the same, and Enduro Bearings ensures top performance by using 440C stainless steel. This material is known for its strength, hardness, and resistance to wear, making it ideal for challenging conditions. The Enduro Bearings ACB 4545 405495 - Stainless Steel is designed for durability and corrosion resistance. It features LLB type seals and CRC Marine grease, providing extra protection against water and sweat. These bearings are commonly used in many popular headset brands, known for their reliability. Key Features ACB 4545 405495 SS 1-1/2" 440C stainless steel Angular Contact Headset bearing (40.5mm x 49.5mm x 7mm: 45x45 deg) Angular-contact design with 440C stainless steel balls and races for excellent corrosion protection Compatible with part numbers: HSS 6011, ACB495H6.5 Static load capacity: 470lbf / 2.09kN Weight: 24g Enduro Bearings uses advanced engineering to ensure all balls are evenly engaged, spreading force over a larger area. This design minimises wear and extends the life of the bearings, making them a reliable choice for cyclists who often ride in wet conditions or frequently wash their bikes.