Fangrui Product Details 1. Lightweight And Durable: Made Of High-quality Aluminum Alloy, Strong And Durable, Fine Workmanship, Lightweight And Durable. 2. Impervious And Dirt-proof: Sealed Bearing, Compact Structure, To Avoid The Penetration Of Damp And Dirt, Lubrication Is Comfortable, And Durable. 3. Exquisite Thread: Threaded Lock Design, Strengthen The Stability Of The Side, Not Easy To Loosen. 4. Convenient Installation And Operation: The Hollow One-body Hanging Type Can Increase The Pedaling Frequency, Reduce Noise, And Make Riding More Labor-saving. Easy Installation And Operation, Providing Better Pedal Power Transmission. 5. Wide Application: 3 Resin Washers. Even Rotation, Easy Installation And Operation. Suitable For Frame Bottom Bracket 68-73mm. Colour:gold Material:aluminum Alloy + Plastic Package Contents: 1 * Threaded Bottom Bracket Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different Fro Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin