Time Xpresso 4 Road Pedals. The Time Xpresso 4 road pedals feature light weight, easy engagement with their patented iCLic technology, as well as superb ergonomics to ensure comfort and performance. The iClic pre open clipless system, featuring a carbon leaf spring, allows you to click in without having to force a spring open making stepping in fast, easy, and secure. The oversized, 700 square mm platform provides exceptional stability and power transmission while the steel axle is plenty strong and reliable. Furthermore, a stainless steel plate on top of the platform enhances the pedal's durability. A low, 13.5mm stack height makes for efficient power transfer and 10 degrees of float ensures your knees stay happy and healthy.