Before purchasing a chain, please check your bicycle model and chain specification requirements. This information can usually be found in your bicycle's user manual or by contacting the bicycle manufacturer. Our website also provides a chain compatibility guide to help you make the right choice.

Our chain usually ships within 1-3 business days of order confirmation. Standard shipping usually takes 15 working days, but the exact time may vary depending on your location. If you need expedited shipping, please contact us when placing your order. We will choose different warehouse or logistics services for you.

If you experience problems with the chain after installation, first refer to the installation and maintenance guide that comes with the product. If the issue persists, please contact our customer service team, and we will provide further technical support or arrange for a return or exchange.