1.Selected Material: Our bikes chain kit is made from carefully selected carbon steel, ensuring it can withstand intense use over a long period of time, making it a safe and trusty choice for riders 2.Simple to Use: The charm buckle design of our Bikes Chain Kit enables easy installation and disassembly, while the chain joint is convenient to clean and reusable. This kit ensures no Hassle upkeep for your bikes 3.Enhanced Performance: The surfaces of our Bikes Chain Kit are polished and the internal oil is injected, reducing friction between the chain and gears, extending chain life and improving transmission efficiency. Experience a smooth and lubricated ride 4.Improved Cycling Efficiency: Designed for 6/7/8speed bicycles, our chain kit has professional technical test data results for accurate link spacing and compatibility. With trusty performance, you can maximize your cycling experience