The bicycle（https://www.chainmanufacturer.net/product/bicycle-chain/）, undeniably, is one of humanity's most ingenious and enduring inventions. Although seemingly simple, bicycles embody several complex mechanisms, none more essential than the bicycle chain. Bicycle chains might appear insignificant due to their size, but they hold a critical role in every bicycles' operation. This article will delve into the crucial function, ideal maintenance practices, and notable innovations surrounding the bicycle chain. The Role of Bicycle Chains A bicycle chain plays a pivotal role in transferring the energy exerted by the cyclist on the pedals to the bike's wheels. Its primary job is to mesh with the teeth of the chainring and cassette, translating the turning action of the pedals into the of the rear wheel.