FeaturesEasy to install---Chain joints for the magic buckle, easy to aemble and disaemble, easy to clean, can be reused about 5 times, suitable for mountain bike and road bikeGood Material---Made of high quality steel, repeated forging, strict control of materials to ensure the strengthSmooth lubrication--- Surface ing, internal oiling, better corrosion resistance and appearance.Accurate matching--- Profeional equipment test spacing, profeional and technical test data, suitable for 1/6/7/8/9/10/11/12 speed bicycle chain.Quantity---1 pairs of chain link, totally 2 pieces. Well packed in a bag, convenient to carry and avoid losingInstallation(Please refer to the picture)Step 1:Determine the leagth and remove the outer chain piecesStep 2:Two chain buckles installed at both endsStep 3:The two ends are aligned with each otherStep 4:Align and pull toward both endsSpecificationsMaterial: SteelColor: Silver or goldSuitable for 1/6/7/8/9/10/11/12 speed bicycle chainPackage: 1pair * bicycle chain link