Item type:Bike Chain LinkCondition: 100% brand newMaterial: steelWeight: Approx. 28gOptional Color: golden, colorful, silverSuitable: 12 speedchainAssembly Guide:1. Install the right length chain,cleanthe bearings and lubricate them.2. Don't forget to lubricate the pin.3. Insert two halves of the missing link into the end of the chain.4. Press the two halves of the missing connection contact together.5. Lock in place by unlocking the chain.6. Open: Press the two plates together and slide the ends of the chain against each other. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Premium steel bike chain links connectors is suitable for 12 speed chain. 2Fit chain with the correct length, clean bearing, and lubricate. 3No need tool to remove the chain for cleaning. 4Suitable for mountain bike and road bike chain. 53 different colors for you to choose, meet your different needs.