Specification Brand : Generic BulletPoint1 : Manganese Steel: Made of manganese steel, the chain connector is finely treated and accurately machined for ruggedness and durability. BulletPoint2 : 11 Speed: chain connector is suitable for 11 speed chains of mountain and road bikes. Smoother will not damage chain, suitable for fluent chain rotation. BulletPoint3 : CNC Machined: After CNC cutting and polishing, the chain connector exterior is flat and burr . It has a comfortable feel to touch. BulletPoint4 : High Strength and Reliability: The chain connector is manufactured with fine polished surfaces to ensure strength and reliability of fastening. BulletPoint5 : Quick Release Buckle: Pack of 10 pairs, quick release link design, easy to install, convenient to use. Make the chain maintenance process much easier. Color : Silver ExternallyAssignedProductIdentifier : 5435192032907 ExternallyAssignedProductIdentifier1 : 0669977262219 ExternallyAssignedProductIdentifier2 : 669977262219 IncludedComponents : connector ItemName : 10 Pairs 11 Speed Mountain Road Chain Connector Quick Release Chain Link Connector for Cycling Silver ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : pulling-and-lifting-chain-links Manufacturer : Generic Material : 304 stainless steel ModelNumber : Genericp75seumrh9 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Genericp75seumrh9 ProductDescription : Specification: Item Type: Chain Link Connector Material: Manganese Steel Gross Weight: 22g / 0.8oz : 11 speed Color: Silver