The CeramicSpeed SLT Bearing for Headsets, featuring Solid Lubrication Technology and Optimized Headset Design, is a unique combination of oil-encapsulated solid plastic polymer and stainless-steel materials. The self-lubricating, corrosion-resistant, and maintenance-free bearing has micropores to evenly distribute oil and ensure long-lasting performance, even in harsh conditions. Hand-built in Denmark, this bearing comes with a lifetime warranty.