The Shimano SH56 are Multi Release SPD MTB Cleats that can be used with all open designed pedals. These cleats can be released from the pedals by twisting your foot in any direction and will even release with sufficiently hard (and considerable) upward force, minimising the risk of toppling over with both feet still clipped in.For SPD, multi-directional release typeRelease the cleats from the pedals by twisting your heels in any directionWith cleat nut specificationCold forged and specially heat treated to increase durability and rigidity for heavy use even under severe conditionsSPD cleats are engineered specifically to match Shimano pedals and avoid damage the big advantage of having single-source partsThe cleat will even release with sufficiently hard (and considerable) upward force, minimising the risk of toppling over with both feet still clipped inDesigned to work with all open design pedalsWithout cleat nut