SHIMANO SPD CLEAT SET SM-SH56/SM-SH51

-For SPD, single direction release type 
- Release the cleats from the pedals by twisting your heels outward
- Without cleat nut specification
- Cold forged and specially heat treated to increase durability and rigidity for heavy use even under severe conditions.
- SPD cleats are engineered specifically to match SHIMANO pedals and avoid damage — the big advantage of having single-source parts.