What are the specifications and models of transmission chains?
2 Answers
Transmission chains are divided into Series A and Series B. Chain specifications introduction: Transmission chains are divided into Series A and Series B. Series A conforms to the size specifications of American chain standards, while Series B conforms to the size specifications of European chain standards. The difference between the two types of chains is minimal. Differences between chains: Series A chains have a certain proportion for rollers and pins, whereas the main dimensions of Series B parts do not have an obvious proportion to the pitch. Except for the 12B specification, which is lower than the Series A, all other specifications of Series B are equivalent to the corresponding Series A products. Defined by the use of the chain, from the structure of the chain, there are two types: roller chains and bushing chains. From the part used on motorcycles, there are two types: those used inside the engine and those used outside the engine. Most chains used inside the engine have a bushing chain structure, while chains used outside the engine, which are used to drive the rear wheel, mostly use roller chains.
I've been riding motorcycles for many years, and the specifications and models of the chain are crucial. They typically include the chain pitch, chain width, and the number of chain links. The pitch refers to the distance between each link of the chain, commonly denoted by numbers like 520, 525, and 530. For example, 520 represents approximately 1.27 cm per inch. The width affects the thickness and strength of the chain—too narrow, and it wears out quickly; too wide, and it might jam the wheel. The number of chain links indicates how many links there are, and it must match the original specifications of your bike, otherwise, the sprocket and gear won't mesh properly, leading to noise. The model number is marked on the side of the chain, such as DID or RK brands, which print these numbers. Daily use requires checking the chain tension and lubrication, as regular maintenance can extend its lifespan and reduce malfunctions. Choosing the right chain ensures safe and smooth riding, whereas a broken chain at high speeds can be extremely dangerous. It's advisable to keep the manual when buying a bike and match the parts correctly during replacement—never cut corners to save a little money at the expense of a major impact on your riding experience.
