Ultra lightweight low profile Ultegra level touring SPD pedal with all new stylish body Aerodynamic wide platform for more efficient transfer of power from shoe to pedal Compatible with all MTB and Touring SPD shoes Single sided cleat mechanism follows the same technology used on the latest MTB pedal system Adjustable entry and release tension PD-A600 comes with SM-SH51 single direction release cleats 286 grams per pair