The KMC X12 12 Speed Chain with 126 Links is a lightweight and durable option for cycling. Compatible with all 12-speed derailleurs, it offers a quiet ride and features a Ti-N Gold coating for enhanced performance. The chain includes a Missing Link for easy installation and boasts a non-directional design for maximum compatibility. Its X-Bridge system ensures quicker and smoother gear shifting, contributing to a quieter riding experience. Key features include: Size: 1/2" x 11/128", Colour: Ti-N Gold, Pin length: 5.2mm, Weight per 110 links: 234g, Length: 126 Links.