The quick coupling chain connector is designed for easy and efficient bike chain maintenance. Its universal design allows it to fit most single speed bike chains, while the durable metal construction ensures performance. The quick release mechanism makes installation and removal simple, providing a convenient solution for cyclists of all levels. Features -Color:Black -Material:Aliminum alloy -Size:2.00X1.00X1.00cm/0.79X0.39X0.39in -Compact and portable: the folding design allows for easy storage and portability, making it convenient to carry and store -Efficient chain connection: equipped with a single speed chain link connector that is easy to use, ensuring quick and easy installation -Durable and lightweight: made from sturdy materials, this chain is both lightweight and durable, ideal for extended rides -Stable and secure: the strong construction provides enhanced stability during rides, offering improved safety and reliability -Adaptable use: suitable for various terrains and riding environments, meeting a wide range of cycling needs Package list: 2 pcs x 20pcs x bicycle chain buckle