Wiktionary
clipless
a. Without a clip or clips.
Usage examples of "clipless".
His favorite magazine was Mountain Biking Action and Reaction, and he would spend countless hours analyzing the carbon fiber frames, titanium handlebars, aluminum cranks, elliptical chain rings, front suspension forks, full suspension bikes, grip shifters, quick release levers, gel racing seats, disc wheels, bar ends, clipless pedals, Kevlar (TM) tires, altimeters, casette hubs, and other wondrous objects that filled its pages.