High Quality Pedals With Adjustable Straps – 9/16”. Pair Sold By Pair Low Support Boot Type These pedals are perfect for users that need more support to keep their feet on the pedal.  Whether you’re rehabilitating, exercising or need extra stability in your therapy, these are the pedals for you. Adjustable feet and ankle straps with open toe set up allows for this to fit nearly of all users. Can be used for any bike with 9/16” thread / crank