The steel axle is light and durable. The ICLIC system is pre-opened design, making clippingin super easy. The XPRESSO 6 features carbon blade tension adjustment, a low stack height, and an oversized platform for pedaling efficiency and comfort.SPECIFICATIONSAxle component Steel axleBearings SteelBody component Carbon-filledCleats ICLICPedal stack height 14.7mmAngular freedom +5° to -5° with free cleats, 0° with fixed cleatsContact surface area 700 mm2Distance pedal spindle / crank arm 53mmLateral freedom +1.25 mm or -1.25 mmRelease angle 16° with free cleatsTension 3 different settings of carbon bladeThreading 9/16 - 20 inchWeight (per pedal) 115gColour (Pedal) Black/PurpleAccessories ICLIC free foot cleatsIntended use RoadPower Measurement Not CompatibleFEATURESGreat value for proven performance.Fast and easy cleat engagement.Low stack height for clearance.Composite body for light weight.Cleats included with all pedal purchases.