So many Pro Tour and serious riders use SPD SL due to the extra-wide low-profile cleat and binding mechanism creates a highly stable interface between the shoe and pedal, in a super lightweight design. No wasted movement. No loss to flex, voids or mismatched shoe/pedal designs.
Shimano manufactures a wide range of components for all types of bikes and riders and are best known for their groupsets, wheels and shoes. The innovative company’s components, such as the Di2 electrical components are used in high end road bikes.