Bike Headset Bearing,41/41.8/47/49/52mm Bearings Steel Steering Wheel Bearing MTB Repair Headset Bearing For Conical 1.5 Inch Tube(41.8mm)

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  • Premium Steel Construction Durable for Mountain Bike Use This MTB 1.5-inch headset bearing is crafted from high-quality steel, delivering key benefits tailored to mountain bike (MTB) demands rust resistance to withstand mud and moisture on trails, strong durability for rough terrain, and uniform hardness for wear resistance. Its double-shielded design blocks contaminants (like dirt, sand, or water) from entering the bearing and retains lubricant critical for maintaining performance in the harsh, variable conditions mountain bikes often face.
  • Precision Machining Smooth Rotation & Perfect MTB Headset Fit Thanks to fine machining, the bearing features an ultra-smooth surface that enables friction-free rotation, ensuring responsive steering for MTB rides. It s engineered to fit 1.5-inch mountain bike headsets perfectly, eliminating loose gaps or misalignment that can cause clunky handling on trails. This precise fit not only enhances ride comfort but also reduces premature wear on both the bearing and headset components.
  • Dust & Water-Resistant Sealing Extends MTB Bearing Lifespan Equipped with a robust sealing ring, this bearing provides reliable protection against dust, mud, and water common hazards in mountain biking. The seal prevents debris from infiltrating the bearing s internal parts (like balls) and safeguards against moisture-induced rust. By blocking these contaminants, the seal significantly extends the bearing s lifespan, ensuring consistent performance even after repeated rides in wet or dusty environments.
  • Pre-Greased Groove Corrosion Protection & Free Spinning The bearing s internal groove is pre-filled with high-quality grease, which serves two key purposes for MTB use it prevents corrosion of the steel balls (critical for longevity in damp trail conditions) and enables smooth, unrestricted spinning. The grease stays securely in the groove, even during intense MTB rides with vibrations or impacts, eliminating the need for frequent re-lubrication and maintaining consistent steering performance.
  • Essential MTB Headset Replacement Accessory This 1.5-inch headset bearing is a vital replacement part for mountain bikes, designed to replace worn-out, damaged, or inefficient headset bearings (note correction from "old bicycle helmets" this is for MTB headsets, not helmets). By swapping in this bearing, you restore the headset s functionality, ensuring stable, smooth steering that s essential for safe mountain biking. It s a straightforward, reliable accessory to maintain or repair your MTB s front-end system.

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