Bicycle Bearings, Steel Ring Bike Headset 41mm 41.8mm 47mm 49mm 52mm Sealed Bearings Single Repair Accessory for Mountain Road Bike(47mm)

Precision 47mm x 34mm Size: This bicycle headset bearing measures 47mm outer diameter and 34mm inner diameter (47/34mm). The sealed bearing fits many full-hidden and semi-integrated headsets, providing smooth steering for mountain and road bikes Sealed Dust & Water Protection: The bearing features a rubber sealing ring that blocks dirt, moisture, and road grime. The bike stem bearing helps extend service life by preventing contaminants from entering the ball retainer, ideal for all-weather riding Pre-Lubricated for Smooth Rotation: Filled with high-grade grease, the bicycle headset bearing reduces friction and ensures fluid steering. The pre-installed lubricant also prevents ball corrosion, maintaining performance even after long-term use Premium Bearing Steel Material: Made from hardened bearing steel with anti-rust treatment. This headset replacement bearing offers stable load capacity and resists wear, making it a reliable choice for replacing worn or damaged OEM bearings Easy Installation for DIY Repair: Direct replacement for many 47mm headsets. Remove the old bearing, clean the cup, and press in this new sealed bearing. Suitable for repair shops or home mechanics looking to restore headset smoothness