Silent chain, or inverted-tooth chain, is usually a kind of chain with teeth formed on its links to engage with the teeth in the sprockets. Silent chains drives aren’t really silent. The links in a silent chain drive, however, engage with the sprocket teeth with little effect or sliding, and consequently a silent chain generates less vibrations and noise than additional chains. The quantity of noise generated by a silent chain drive is dependent of many factors including sprocket size, velocity, lubrication, load, and drive support. A web link belt silent chain contains removable links Cycloidal Gear box became a member of by rivets or interlocking tabs. These chains provide advantage of installation without dismantling drive elements, reducing inventory, and raising temperature ranges