Bontrager Circuit Road Shoe Efficient, full-feature road cycling shoe with a roomy design for all-day comfort. Unlock your potential and go farther with the Circuit road shoe. Equal parts stiff and comfortable, compatible with both 2-bolt SPD-style and 3-bolt cleats, this shoe is ready for anything. Product details inForm Race last offers a slightly roomier, high-performance fit Nylon composite Bronze Series sole PowerTruss sole design improves stiffness without adding significant weight Boa L6 dial for precise adjustment Stiffness index - 7 of 14 Compatible with 3-bolt and 2-bolt SPD-style cleats