Ultra lightweight low profile Ultegra level touring SPD pedal with all new stylish bodyAerodynamic wide platform for more efficient transfer of power from shoe to pedalCompatible with all MTB and Touring SPD shoesSingle sided cleat mechanism follows the same technology used on the latest MTB pedal systemAdjustable entry and release tensionComes with SM-SH51 single direction release cleats; optional multi-directional release cleats are also available279 grams per pairNote: Requires MTB/Touring style shoe with 2 bolt fitting