SPD/2 Hole cleat: Compatible with most indoor bikes, and we've equipped it with cleats so you don't need to buy them separately. The unique and eye-catching exterior design can give you an uplifting experience!(Please note: SPD cleats are a 2-bolt system, these shoes are not compatible with a 3-bolt Delta cleat) The slip-on design does not lose the wrapping, and the unique style allows you to enjoy the course better. Recessed SPD cleat assembly and rubber sole make it easy to move around the studio or city at the end of your ride Comfort-enhancing performance: The secure closure ensures they don't fall off when you're exercising. The low-top design keeps the pedaling light and flexible, and our soles are relatively stable for a better experience for indoor cyclists AMAZING MATERIALS: Unique anti-odor technology, comfortable, breathable mesh upper for a breathable ride. Built-in nylon mounts can better transmit power, helping you pedal faster, harder and more efficiently Our size will usually be larger than normal women's size, you can measure your foot length according to the size chart we provide, and then buy the right size (length/cm) for you. If you have any questions about the size, please contact us in advance The SPD spikes of TAILORIA Indoor Cycling Shoes feature a double bolt system. Unique anti-odor technology, breathable engineered mesh and sporty textile uppers allow you to enjoy a comfortable and cool riding experience. Our cycling shoes are equipped with a recessed SPD spike assembly and feature a rubber sole, which not only ensures that you stay safe while riding, but also allows you to walk freely indoors or in the city after riding