1The titanium coated chain is more wearresistant, higher hardness and strength, and strong corrosion resistance. 2Each part of the chain is heattreated in a unified manner to strengthen rigidity and toughness for more durability. 3Hollow mud drain hole design reduces weight, reduces dirt accumulation, and is easier to clean. 4Quickly catch the shifting action, catching chain point is faster, the running between the teeth is more stable, and the riding is smoother. 5The 11 speed chain comes with chain links, which can be installed quickly without tools, and it is safer to install with tools. Item Type:11SpeedChain Material:Carbon Steel Color: Gold Length: Approx.147cm/57.9in Weight: Approx. 280.0g/9.9oz Links: 116 Links Specification: 1/2in x 11/128in Ultimate Tensile Load: 1800 (KN) Speed: 11 Speed(Half Hollow) Application: Mountain bike, road bike Fit forCampagnolo/Sarm and other 11-speed drivetrain How to choose the right chain: First observe the number of flywheels in the bike, choose a chain of as many speeds as there are flywheels How to confirm the chain length: Method 1: Choose the same length as the original bike chain. Method 2: The chains are all hung on the flywheel and the largest sprocket of the front chainring, tightened, and the length of the tightened is increased by 2-4 knots. 1 x11 Speed Chain 2 x Chain Links