The SIDI Strap for ST/MX Buckle Extra Long is a must-have replacement part for your SIDI boots, offering a reliable and durable fastening system. Designed for compatibility with models like the Adventure 2 Gore, Crossfire 3 SRS, and ST Air, this extra-long strap provides enhanced security and a snug fit. Available in various colors such as black, grey, red, and fluorescent yellow, it allows for both functionality and customization. Sold individually, this strap is perfect for riders seeking to maintain or upgrade their boot performance and style?.