The SIDI Strap Holder ST/MX is engineered to maintain proper strap alignment and buckle performance. Designed for boots using the ST/MX buckle system, this replacement component ensures straps stay securely in place during demanding rides. Offered in eight color options, it provides both functional reliability and the ability to personalize your setup. Sold as a pair for balanced replacement, it’s an easy upgrade that supports long-term boot durability and consistent fastening performance.