MH-P16 Double Sealed Bicycle Headset Bearing 40x52x7mm, 45/45 DegreeMH P16 Double Sealed Bicycle Headset Bearing 45 45 Degree 40mm x 52mm x 7mm VXB Bearing Double Sealed Bicycle Headset Bearing 40x52x7mm, 45 45 Degree MH P16 Angular Contact Ball Bearing Material: Chrome Steel Closures: Rubber Seals (Seals color maybe different than the picture) Angle: 45 45 Degree Dimensions: 40mm x 52mm x 7mm ID (inner diameter) Bore: 40mm OD (outer diameter): 52mm Width: 7mm Brand: VXB Bearing Quantity: 1 Bearing