Features: Ensures that the chain can run smoothly and reliably on any terrain, thereby enhancing your cycling experiences. This stabilizer is consist of durability aluminums alloys, providing excellent strength for avids bicycles enthusiasts. Suitable for bicycles enthusiasts and professional cyclists pursues to improve transmission systems efficiency and reduce chain wear. Suitable for use in various cycling environment, from mountain to commuting, ensuring chain alignment and stability. Essential accessories for maintaining cycling condition and improving overall cycling quality. Specifications: Dimension:93x10.6x2.5mm/3.66×0.41×0.09in Component:carbon fibers Package Includes: 2pcs Bicycles Chain Stabilizer note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.