Features: Suitable for bicycle chains with different speeds, such as 8/9/10/11/12 speed. Made of durable aluminum alloy material, wear-resistant and long-lasting, ensuring reliable performance over time. Simplifies the installation and removal process of the chain, improving efficiency. The bicycle chain connector is reusable and easy to assemble and disassemble. Compatible with both mountain bikes and road bikes. Specifications: Material: Aluminum Alloy Style: 8-speed / 9-speed / 10-speed / 11-speed / 12-speed Color: Gold / Silver Quantity: 3 pairs per set Size: As shown in the image Note: Please allow 12 cm variation due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences between monitor displays, the actual color of the item may vary slightly from the images. Package Includes: 3 pairs of bicycle missing links