Tangeseiki Headset Bearing 36.8 X 45.8 X 6.5 45/45°Features 45 45 Angular Contact Design: Optimised contact angles ensure balanced load distribution for accurate, stable steering under braking and cornering. Sealed Cartridge Bearing Construction: Fully enclosed unit protects against dust and moisture, delivering smooth performance with minimal maintenance. Low Friction Steering Performance: Precision manufacturing reduces drag for consistent, fluid rotation across varied riding conditions. Durable