Outside Diameter: 41.8mmInside Diameter: 31.0mmHeight: 8.0mmInside Angle: 45°Outside Angle: 45°TH Code: MR121FSA Headset Bearing ACB TH-870E 1.1/8" 41.8mm 45°x45° MR121 MR215SKU: 160-1647£12.99PriceQuantity*Add to Cart