Explore beyond the groomed. The BC Auto backcountry ski binding delivers step-in ease and a wide platform for off-trail touring. The hands-free system offers quick-and-easy entry and a wide 56mm steering plate for the stability to break your own trail. The traditional screw-mount is compatible with all flat-mount skis. Other Features Bindings weight 455 g / pair Mechanism Auto Bindings flex 40 shore Bindings platform (mm) 57 mm Recommended ski boots size 35 - 52