Features: Compatibility.The adapters are designed for converting the 3 holes road bike cycling shoes to be compatible with Shimano-SPD-MTB cleats. Improved Foot Stability: Achieve a comfortable and safe riding experience with the SPD-cleat adapter, which supports your feet more evenly and provides flat with for SPD-SL shoes. Enjoy even more efficient and fatigue- rides, with enhanced pedaling efficiency and stability. Durability. It is made of quality metal its long-time use and sturdy screws make the whole adapters stay firmly on your shoes. Installation. Simple to install by putting the triangular gasket in the right place and twist-the screws and then cover the converter over it and twist-the big screw. Simplify your geared: don't fret over multiple pairs of shoes for different bikes. Simply use the small and lightweight SPD-Cleat Adapter for your outdoor sports needs. Enjoy the versatility of using your favorite road cycling shoes your mountain . Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: As picture show