【Universal Compatibility】Our cleats are fully compatible with Shimano SPD SH51 and Look X-Track series pedals, fitting most 2-hole mountain/indoor cycling shoes. Perfect for indoor spinning, outdoor cycling, and mountain biking. 【Easy Release Mechanism】Featuring a single-direction release design, simply twist your heels outward to disengage quickly and safely. This ensures smooth, hassle-free exits while enhancing riding confidence. 【High-Strength Chrome-Molybdenum Steel】Crafted from cold-forged CrMo steel, these cleats undergo specialized heat and surface treatments to maximize hardness, strength, and wear resistance—built to endure heavy use in extreme conditions. 【Cleat Position Adjustment】With 4° of rotational adjustability, you can adjust the cleat position to improve the cycling performance and make the your cycling shoes and pedals mor comfortable. 【Lightweight & Easy Installation】Weighing just 1.8 ounces, the package includes 2 cleats, 2 washers, 4 screws, and 1 Allen wrench for quick installation. Designed for simplicity, even for beginners. Zigdiptek Mountain Bike cleats, compatible with Shimano MTB SPD SM-SH51 and Look X-Track series pedals