Outside Diameter: 41.8mmInside Diameter: 32.8mmHeight: 6.0mmInside Angle: 45°Outside Angle: 45°TH Cope: MR136FSA Headset Bearing ACB NO.51 1.1/4" 41.8mm 45°x45° MR136SKU: 160-6746£12.99PriceQuantity*Add to Cart