Time Xpresso 4 Pedals – Single Sided Clipless Aluminum 9/16″ Black/Gray B1. The Xpresso 4 is built for dependable everyday use out on the road ergonomic and efficient pedal. The ICLIC system requires only a light step to clip-in making it a very easy pedal to enter. Great value for proven performance Aluminum body with steel spindle for durability Fast and easy cleat engagement Low stack height for good clearance ICLIC Cleats included TECH SPECS Material AluminumCleat Interface Time ICLICColor Black/GrayPedal Type Single Sided CliplessPedal Spindle 9/16″Pedal Body Material AluminumSpindle Material SteelDefined Color Black