Material Aluminum Made of high-strength CNC-machined 6061 T6 aluminum alloy, strong and lightweight. Convenient for you to tighten bolts on non-threaded rods and panels. Easy Installation Simply attach the original fork stem and four crossbar clamping bolts hold the crossbar securely in place. Fits most road bikes, mountain bikes, trail bikes Center the stem on the stem ring, adjust it to the desired angle, and reinstall the panel. Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding < br> 2. Color may vary by monitor. Please understand Note: Hello, please pay attention to your delivery address when purchasing products. If your pickup information (e.g. name, street, house number, doorbell/email with no name) is incorrect, the order will not be delivered correctly. )