Description: 1. Brand new and high quality 2. Made of high quality material, durable and practical to use 3. Bike Seatpost Clamp for Carbon Saddle Rails 7x9/7x7mm Bicycle Oval/Round Clip 4. 7x7mm steel rails Round，7x9 carbon rails Oval Specification: Material: Steel Color: Black (As Pictures Show) Weight: About 65g Model: 7x9mm/7x7mm Package Includes: 2 x Seatpost Clamp 1 x Bolt Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Our products are made from very durable, high-quality materials ,sure to meet the needs of your daily life. Before placing an order, we suggest that you always check the size and model of the product carefully to ensure that the selected product meets your actual needs. If you encounter any problems, please contact us in time, we will try our best to provide you with solutions until the problem is solved satisfactorily. After you receive the product, we attach great importance to your feedback, no matter how your comments, we will listen carefully. Every customer can enjoy the free after-sales service we provide, and any damaged or quality problem products can be refunded or exchanged.