High surface hardness and wear resistance, strong durability and low friction.; Made of high quality maganese steel material, which is firm and reliable, durable and can used for a long time.; This colorful bike chain is specially designed for 11-speed mountain bike and road bike, which meet different need.; Very easy to install and disassemble, convenient to use, wonderful accessory for road bike and mountain bike.; Equipped with 2pcs bicycle chain link connectors, allow you to use repeatedly.

What's in the box
1 x Chains