1-1/2" (38.1mm) Sealed Bicycle Headset Bearing- 40x52x6.5mm, 36/45

1-1/2" Bicycle Headset Bearing 36/45 Angle✔️ 40x52x6.5mm with double rubber seals for smooth steering This 1-1/2" headset bearing is made for modern bicycle steering systems with a 36°/45° angular contact design. Built from tough chrome steel (GCR15), it’s double-sealed to keep out grime and extend lifespan, perfect for road bikes, MTB setups, and headset replacements. ✅ Size: 40mm ID x 52mm OD x 6.5mm wide✅ 36°/45° angular contact for tight steering✅ Double rubber seals (seal color may vary)✅ Built from durable chrome steel (GCR15)✅ Sold as one bearing Dimensions (mm): Inside Diameter Outside Diameter Width Angle 40 mm 52 mm 6.5 mm 36° / 45° 💡 Why are angular contact bearings used in bicycle headsets?They handle angled loads and provide smoother, more stable steering response. Supports both axial and radial forces in tight setups Rubber seals keep water and dirt out of the bearing Precision fit keeps handlebars tracking straight Ideal for both road and trail riding c