Features: Universal Fit Design: The Locking Bicycles Seatpost Clamp features a universal fit design, compatible with most road bikes and bicycles, ensuring a secure and stable hold for your seatpost without slipping or wobbling during rides. Premium Carbon Fiber Construction: Crafted from good-quality carbon fiber, this Road Bike Seat Clamp offers exceptional durability and lightweight performance, enhancing your bike's aesthetics while providing reliable strength for long-term use. Hollow Design For Weight Savings: The Bike Bicycles Hollow Design Clamp reduces overall weight without compromising strength, making it an ideal upgrade for cycling enthusiasts seeking a lighter and more efficient ride. Secure Fixing Mechanism: Equipped with a robust clamping system, this Bicycle Seatpost Collar Clamp ensures a tight and precise fit, preventing seatpost movement and providing a smooth, vibration-free cycling experience. Perfect Gift For Cyclists: Designed for bicycle accessories lovers, this Road Bike Fixing Gear Seatpost Tube Clip is a practical and stylish gift choice, combining functionality with a sleek look to enhance any bike setup. Specifications: Material: Carbon Fiber Diameter: 31.8±1mm, 34.9±1mm Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 1*Bicycles Seatpost Clamp