Feature: 1. Fine workmanship, practical, flexible and smooth rotation. 2. Aluminum alloy material, high strength, nice hardness, not easy to deform. 3. Not easy to rust, long service life. 4. Practical lubrication, smooth, fine user experience. 5. Installation labor-saving design, labor-saving operation, not easy to press crooked. Specification: This kind of bicycle bowl set, with fine quality material, high strength, nice hardness and various colors to choose from, is a practical bicycle accessories. Features: Fine workmanship, practical, flexible and smooth rotation. Aluminum alloy material, high strength, nice hardness, not easy to deform. Not easy to rust, long service life. Practical lubrication, smooth, fine user experience. Installation labor-saving design, labor-saving operation, not easy to press crooked. Specifications: Color: black, red, gold, blue (optional) Material: aluminum alloy Item weight: 91g / 3.2ounce Package size: 66 * 65 * 50mm / 2.6 * 2.6 * 2.0in Package weight: 103g / 3.6ounce Packing List: 1 * Front Fork Bearings Accessories Package List: 1 * Front Fork Bearings Accessories