Item Type: Bike Chain Material: High Carbon Steel Gross Weight: 313g / 11.0oz Color: Silver Product Speed: 12 speed Package List 1 x Bike Chain 2 x Snap 1Strong Tension: This bike chain is embedded with strong chain shaft, which can withstand strong trampling without breaking, and has strong tension and impact resistance. 2Reinforced Structure: The chain adopts a reinforced structure, which is compact, flexible and free from jamming, and can withstand high stepping force. 3High Rigidity: The chain high rigidity forging process can withstand the high strength instant explosive force, greatly enhancing the service life. 4Lightweight: The hollow structure of the inner and outer chain pieces is precisely designed to reduce the overall weight without changing the strength. 5Simple Installation: This bike replacement chain can be installed easily, and is a good choice for light weight matching or long distance riding.