Shimano sh51 cleatsperfect for mtb spd pedals except pd m858 these shiman spd cleats offer an easy and straightforward solution to worn cleats shimano spd cleats strong and durableshimanos spd cleats are strong and durable to keep your mtb shoe clipped in safely and securely for as long as possible easy to fit and install simply remove your old cleats with an allen key and then fit your new shimano spd cleats into position shimano spd cleats easy to usequick and easy to use simply relea