Originally Posted by obed7

actually if what you are saying were to be true, it would be false/restricting advertising.... SPD and SPDSL is a shimano specific term... it is short for shimano pedaling dynamics....they invented/released the system in 1990...shoes should be listed by road or mountain compatible, two or three hole (some do both)... road shoes will take the spd-sl as well as other brands of cleats as long as they are 3 hole... mtb shoes same thing only 2 hole.