Shimano SPD MTB Cleats
Shimano SPD MTB Cleats: Available options are SH51, SH56
SH51 SPD single release cleats, recommended for all MTB SPD pedals. Release the cleat by twisting heel outwards.
SH56 SPD Designed to work with all open design pedals: allow your shoe to be disengaged by rolling or twisting the foot in any direction