Features 1、High Rigidity: The shaft is strengthened, high rigidity and reinforced structure, strong chain shaft inlay, able to withstand strong strength, unbreakable when trampled, and impact resistant. 2、Flexible: High rigidity forging process, fluent shifting, avoid inter tooth interference, chain shifting operation is smoother, able to withstand high stepping force. 3、Manganese Steel: Bike speed chain is made of manganese steel, high hardness, high strength, rustproof, wear resistant, greatly enhancing service life of your bike. 4、Hollowed: The precisely designed hollow structure of the inner and outer chain pieces can reduce the overall weight without changing the strength, which is an ideal choice for long distance riding. 5、Replacement Part: 10 speed bike chain is exquisite in workmanship and stable in performance, very practical bicycle replacement and repair accessories, suitable for most bicycles, mountain bikes, road bikes, etc Item Type: 10 Speed Bike Chain Material: Manganese steel Gross Weight: 330g / 11.6oz Color: Gold Package List 1 x Bike Chain 2 x Chain Connector 1 x Storage Box