The shimano pd r540 light action spd sl road pedal has a wide platform for improved foot pedal stability the low profile platform also has an open design which allows for easy access and cleat adjustments these pedals are easy to clip into and release but with stable fit for maximum power transfer to the shimano pedals they also have a wider cleat and binding mechanism for better shoe pedal contact than traditional spd systems to ensure you that these lightweight shimano pd r540 light action