The Bontrager Circuit, an efficient, full-feature road cycling shoe, with a roomy design for all-day comfort. Unlock your potential and go further 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. Sole stiffness index score of 7 out of 14 Boa L6 dial for precise adjustment Compatible with 3-bolt and 2-bolt SPD-style cleats (2-bolt mounting plate sold seperately) Established in California in the early 1980s, Bontrager’s existence is intimately linked to the exploration and enjoyment of cycling. With a no-nonsense design philosophy, Bontrager focuses on performance and function with painstaking attention to detail and an unwavering commitment to quality.