The new keo cleat is slightly smaller than the delta cleatthe opposite diagram displays the difference in sizes between the two standardswarning the two cleats are incompatible and it is necessary to use new standard cleats with ko pedals image shows red cleat is the new compact keo cleat black and white striped area shows old style cleatmoreover the new cleat and pedals being slimmer a difference of 6 mm it is recommended to lower your seat post stem accordinglythe ko cleat just like t